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Boiler Model	kW	Efficiency	Warranty	Typical Price
Vaillant ecoTEC plus 435 35kW Regular Gas Boiler COMPARE	35kw	89.20%	5 years	£1430	COMPARE
Vaillant ecoTEC plus 415 15kW Regular Gas Boiler COMPARE	15kw	88.70%	5 years	£800	COMPARE
Vaillant ecoTEC plus 430 Regular Gas Boiler COMPARE	30kw	89.3%	5 years	£1070	COMPARE
Vaillant ecoTEC plus 424 24kW Regular Gas Boiler COMPARE	24kw	89.3%	5 years	£950	COMPARE
Vaillant ecoTEC plus 412 Regular Gas Boiler COMPARE	12kw	89.3%	5 years	£800	COMPARE
Vaillant ecoTEC plus 418 Regular Gas Boiler COMPARE	18kw	89.3%	5 years	£870	COMPARE
Vaillant Home 12kW Regular Gas Boiler COMPARE	12kw	89.4%	2 years	£0	COMPARE
Vaillant Home 15kW Regular Gas Boiler COMPARE	15kw	89.4%	2 years	£0	COMPARE
Vaillant Home 18kW Regular Gas Boiler COMPARE	18kw	89.4%	2 years	£0	COMPARE
Vaillant Home 25kW Regular Gas Boiler COMPARE	25kw	89.4%	2 years	£0	COMPARE
Vaillant Home 30kW Regular Gas Boiler COMPARE	30kw	89.4%	2 years	£0	COMPARE
Vaillant ecoFIT pure 12kW Regular Gas Boiler COMPARE	12kw	89.3%	2 years	£730	COMPARE
Vaillant EcoFIT Pure 15kW Regular Gas Boiler COMPARE	15kw	89.1%	2 years	£765	COMPARE
Vaillant EcoFIT Pure 18kW Regular Gas Boiler COMPARE	18kw	89%	2 years	£790	COMPARE
Vaillant EcoFIT Pure 25kW Regular Gas Boiler COMPARE	25kw	89%	2 years	£850	COMPARE
Vaillant EcoFIT Pure 30kW Regular Gas Boiler COMPARE	30kw	89.3%	2 years	£980	COMPARE
Vaillant EcoFIT Pure 35kW Regular Gas Boiler COMPARE	35kw	89.7%	2 years	£1080	COMPARE

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Filter boilers

Fuel type

Gas
(672)
Oil
(367)

Boiler type

Combi
(403)
Regular
(309)
System
(241)

Manufacturer

Alpha
(7)
Ariston
(1)
ATAG
(5)
Baxi
(22)
Ferroli
(2)
Firebird
(54)
Glow-worm
(11)
Grant
(45)
Ideal
(28)
Intergas
(3)
Johnson and Starley
(2)
Keston
(2)
Main
(4)
Mistral
(46)
Potterton
(30)
Ravenheat
(1)
Vaillant
(23)
Viessmann
(5)
Vokera
(2)
Warmflow
(11)
Worcester Bosch
(31)

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