Compare compact ecoFIT pure models with the premium ecoTEC plus range. Every price is adjusted from the matching Baxi conversion, not guessed as a blanket brand surcharge.
Vaillant cover varies by product and installer route. ecoTEC plus has five years out of the box and may receive up to ten years through Vaillant Advance when an eligible protection kit is used, registered and serviced. ecoFIT pure terms are confirmed in the written quotation.
Property guidance is an initial guide only. Water pressure, flow rate, heat loss and simultaneous hot-water use must be checked before final selection.
The nearest genuine lower-cover equivalents to the Baxi 400 range.
Nearest genuine value-range match; Vaillant does not label this as a five-year model.
Combi-conversion basis. Final price depends on the property and installation requirements.
Nearest genuine value-range match; final guarantee depends on registration route.
Combi-conversion basis. Final price depends on the property and installation requirements.
35 kW is Vaillant's nearest genuine match to Baxi 436.
Combi-conversion basis. Final price depends on the property and installation requirements.
The nearest genuine extended-cover equivalents to the Baxi 800 range.
Ten-year cover is conditional on the eligible Advance installer, protection kit, registration and servicing.
Combi-conversion basis. Final price depends on the property and installation requirements.
32 kW is the closest current ecoTEC plus match to Baxi 830.
Combi-conversion basis. Final price depends on the property and installation requirements.
Calculated from Chris's confirmed £2,800 Baxi 836 base.
Combi-conversion basis. Final price depends on the property and installation requirements.
Alternative-brand figures use Chris's matching Baxi installed price, then add or subtract the VAT-inclusive difference between comparable boiler, horizontal-flue and filter supply packages. Calculated totals are rounded to the nearest £10.
Labour, the RF thermostat, chemical treatment, certification and ordinary installation materials stay the same. Merchant prices can change, so every calculated comparison is checked again in the written quotation.
Request a written quotationUse the boiler finder or request a quotation. Just Boilers NW will check the property before confirming the boiler and price.
Find my boiler