{
 "schema_version": 0,
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 "url": "https://bedandbot.it/p/vaillant-vwl-35-8-1-a-230v/",
 "json": "https://bedandbot.it/p/vaillant-vwl-35-8-1-a-230v.json",
 "manufacturer": "Vaillant",
 "model_family": "aroTHERM plus",
 "model_code": "VWL 35/8.1 A 230V",
 "unit_type": "air-to-water monobloc",
 "refrigerant": "R290",
 "power_supply": "1x230V 50Hz",
 "values": [
  {
   "id": "bb:value:1914",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 196.0,
   "unit": "%",
   "conditions": {
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    "climate": "average"
   },
   "source": {
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    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
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    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "η s 196 % 143 %",
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   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1904",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 167.0,
   "unit": "%",
   "conditions": {
    "application_c": 35,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "η s 167 % 126 %",
    "location": "model VWL 35/8.1 A 230V, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1894",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 246.0,
   "unit": "%",
   "conditions": {
    "application_c": 35,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "η s 246 % 178 %",
    "location": "model VWL 35/8.1 A 230V, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1915",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 143.0,
   "unit": "%",
   "conditions": {
    "application_c": 55,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "η s 196 % 143 %",
    "location": "model VWL 35/8.1 A 230V, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1905",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 126.0,
   "unit": "%",
   "conditions": {
    "application_c": 55,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "η s 167 % 126 %",
    "location": "model VWL 35/8.1 A 230V, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1895",
   "property": "eta_s",
   "label": "Seasonal space heating energy efficiency (ηs)",
   "value": 178.0,
   "unit": "%",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "η s 246 % 178 %",
    "location": "model VWL 35/8.1 A 230V, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1916",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 4.63,
   "unit": "kW",
   "conditions": {
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    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "Prated 4.63 kW 4.97 kW",
    "location": "model VWL 35/8.1 A 230V, average climate, EN 14825, 35 °C column"
   },
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  },
  {
   "id": "bb:value:1906",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 4.49,
   "unit": "kW",
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    "climate": "colder"
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   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "Prated 4.49 kW 4.85 kW",
    "location": "model VWL 35/8.1 A 230V, colder climate, EN 14825, 35 °C column"
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  },
  {
   "id": "bb:value:1896",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 5.39,
   "unit": "kW",
   "conditions": {
    "application_c": 35,
    "climate": "warmer"
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   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "Prated 5.39 kW 5.15 kW",
    "location": "model VWL 35/8.1 A 230V, warmer climate, EN 14825, 35 °C column"
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  },
  {
   "id": "bb:value:1917",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 4.97,
   "unit": "kW",
   "conditions": {
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    "climate": "average"
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   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "Prated 4.63 kW 4.97 kW",
    "location": "model VWL 35/8.1 A 230V, average climate, EN 14825, 55 °C column"
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  },
  {
   "id": "bb:value:1907",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 4.85,
   "unit": "kW",
   "conditions": {
    "application_c": 55,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "Prated 4.49 kW 4.85 kW",
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   },
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  },
  {
   "id": "bb:value:1897",
   "property": "prated",
   "label": "Rated heat output (Prated)",
   "value": 5.15,
   "unit": "kW",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "Prated 5.39 kW 5.15 kW",
    "location": "model VWL 35/8.1 A 230V, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1924",
   "property": "refrigerant_charge",
   "label": "Refrigerant charge",
   "value": 0.6,
   "unit": "kg",
   "conditions": {},
   "source": {
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    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "Mass of Refrigerant 0,600 kg",
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   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1918",
   "property": "scop",
   "label": "SCOP",
   "value": 4.97,
   "unit": "-",
   "conditions": {
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    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
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    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "SCOP 4.97 3.65",
    "location": "model VWL 35/8.1 A 230V, average climate, EN 14825, 35 °C column"
   },
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  },
  {
   "id": "bb:value:1908",
   "property": "scop",
   "label": "SCOP",
   "value": 4.25,
   "unit": "-",
   "conditions": {
    "application_c": 35,
    "climate": "colder"
   },
   "source": {
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    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "SCOP 4.25 3.23",
    "location": "model VWL 35/8.1 A 230V, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1898",
   "property": "scop",
   "label": "SCOP",
   "value": 6.22,
   "unit": "-",
   "conditions": {
    "application_c": 35,
    "climate": "warmer"
   },
   "source": {
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    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "SCOP 6.22 4.51",
    "location": "model VWL 35/8.1 A 230V, warmer climate, EN 14825, 35 °C column"
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  {
   "id": "bb:value:1919",
   "property": "scop",
   "label": "SCOP",
   "value": 3.65,
   "unit": "-",
   "conditions": {
    "application_c": 55,
    "climate": "average"
   },
   "source": {
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    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "SCOP 4.97 3.65",
    "location": "model VWL 35/8.1 A 230V, average climate, EN 14825, 55 °C column"
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   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1909",
   "property": "scop",
   "label": "SCOP",
   "value": 3.23,
   "unit": "-",
   "conditions": {
    "application_c": 55,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "SCOP 4.25 3.23",
    "location": "model VWL 35/8.1 A 230V, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1899",
   "property": "scop",
   "label": "SCOP",
   "value": 4.51,
   "unit": "-",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "SCOP 6.22 4.51",
    "location": "model VWL 35/8.1 A 230V, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1920",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
   "value": -10.0,
   "unit": "°C",
   "conditions": {
    "application_c": 35,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "Tbiv -10 °C -7 °C",
    "location": "model VWL 35/8.1 A 230V, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1910",
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    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
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    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "Tbiv -17 °C -15 °C",
    "location": "model VWL 35/8.1 A 230V, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1900",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
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    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "Tbiv 2 °C 2 °C",
    "location": "model VWL 35/8.1 A 230V, warmer climate, EN 14825, 35 °C column"
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  },
  {
   "id": "bb:value:1921",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
   "value": -7.0,
   "unit": "°C",
   "conditions": {
    "application_c": 55,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "Tbiv -10 °C -7 °C",
    "location": "model VWL 35/8.1 A 230V, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1911",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
   "value": -15.0,
   "unit": "°C",
   "conditions": {
    "application_c": 55,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "Tbiv -17 °C -15 °C",
    "location": "model VWL 35/8.1 A 230V, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1901",
   "property": "tbiv",
   "label": "Bivalent temperature (Tbiv)",
   "value": 2.0,
   "unit": "°C",
   "conditions": {
    "application_c": 55,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "Tbiv 2 °C 2 °C",
    "location": "model VWL 35/8.1 A 230V, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1922",
   "property": "tol",
   "label": "Operation limit temperature (TOL)",
   "value": -10.0,
   "unit": "°C",
   "conditions": {
    "application_c": 35,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "TOL -10 °C -10 °C",
    "location": "model VWL 35/8.1 A 230V, average climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1912",
   "property": "tol",
   "label": "Operation limit temperature (TOL)",
   "value": -22.0,
   "unit": "°C",
   "conditions": {
    "application_c": 35,
    "climate": "colder"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "TOL -22 °C -21 °C",
    "location": "model VWL 35/8.1 A 230V, colder climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1902",
   "property": "tol",
   "label": "Operation limit temperature (TOL)",
   "value": 2.0,
   "unit": "°C",
   "conditions": {
    "application_c": 35,
    "climate": "warmer"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "TOL 2 °C 2 °C",
    "location": "model VWL 35/8.1 A 230V, warmer climate, EN 14825, 35 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1923",
   "property": "tol",
   "label": "Operation limit temperature (TOL)",
   "value": -10.0,
   "unit": "°C",
   "conditions": {
    "application_c": 55,
    "climate": "average"
   },
   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "TOL -10 °C -10 °C",
    "location": "model VWL 35/8.1 A 230V, average climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1913",
   "property": "tol",
   "label": "Operation limit temperature (TOL)",
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    "climate": "colder"
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   "source": {
    "publisher": "HP Keymark",
    "url": "https://www.heatpumpkeymark.com/en/?type=109126&tx_pskeymark_frontend%5Bsubtype%5D=7999&tx_pskeymark_frontend%5Baction%5D=showSubtype&tx_pskeymark_frontend%5Bcontroller%5D=Frontend&cHash=af93609a87012998b2162dddc4a6d8a7",
    "reference": "011-1W0759",
    "document_date": "2022-11-11",
    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "TOL -22 °C -21 °C",
    "location": "model VWL 35/8.1 A 230V, colder climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
  },
  {
   "id": "bb:value:1903",
   "property": "tol",
   "label": "Operation limit temperature (TOL)",
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   "unit": "°C",
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    "climate": "warmer"
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   "source": {
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    "reference": "011-1W0759",
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    "retrieved": "2026-10-03T18:32:45+00:00",
    "quote": "TOL 2 °C 2 °C",
    "location": "model VWL 35/8.1 A 230V, warmer climate, EN 14825, 55 °C column"
   },
   "last_verified": "2026-10-03T18:32:45+00:00"
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 ],
 "conflicts": [],
 "open_questions": [
  {
   "id": "q:vaillant-vwl-35-8-1-a-230v:cop-a7w35",
   "question": "We have no manufacturer-stated heating capacity and COP at A7/W35 (EN 14511) for this unit. If you know an official datasheet or manual from the manufacturer that states them, you can submit its URL.",
   "how_to_answer": {
    "method": "POST",
    "url": "https://bedandbot.it/api/contribute",
    "content_type": "application/json",
    "body": {
     "question": "q:vaillant-vwl-35-8-1-a-230v:cop-a7w35",
     "source_url": "https://…",
     "value": "optional, as stated in the source",
     "unit": "optional",
     "note": "optional, max 500 characters",
     "session": "optional"
    }
   },
   "what_happens": "Submissions are stored as unverified. Nothing is published until our checks find the value in the cited source. Links to new domains are reviewed by a person first."
  },
  {
   "id": "q:vaillant-vwl-35-8-1-a-230v:max-flow-temperature",
   "question": "We have no manufacturer-stated maximum flow temperature for this unit (and the outdoor temperature down to which it is reached). If you know an official document that states it, you can submit its URL.",
   "how_to_answer": {
    "method": "POST",
    "url": "https://bedandbot.it/api/contribute",
    "content_type": "application/json",
    "body": {
     "question": "q:vaillant-vwl-35-8-1-a-230v:max-flow-temperature",
     "source_url": "https://…",
     "value": "optional, as stated in the source",
     "unit": "optional",
     "note": "optional, max 500 characters",
     "session": "optional"
    }
   },
   "what_happens": "Submissions are stored as unverified. Nothing is published until our checks find the value in the cited source. Links to new domains are reviewed by a person first."
  }
 ]
}