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Combi
(462)
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(345)
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(320)

Manufacturer

Alpha
(7)
Ariston
(1)
ATAG
(5)
Baxi
(27)
Biasi
(3)
Ferroli
(2)
Glow-worm
(11)
Ideal
(48)
Intergas
(3)
Johnson and Starley
(2)
Keston
(2)
Main
(4)
Potterton
(30)
Ravenheat
(1)
Vaillant
(23)
Viessmann
(5)
Vokera
(3)
Worcester Bosch
(17)

Clear search

Alpha

Boiler Model	kW	Efficiency	Warranty	Typical Price
Available
Alpha E-Tec 15R 15kW Regular Gas Boiler VIEW	15.1 kw	93%	2 years	£N/A	VIEW
Alpha E-Tec 20R 20kW Regular Gas Boiler VIEW	20.4 kw	93%	2 years	£N/A	VIEW
Alpha E-Tec 25R 25kW Regular Gas Boiler VIEW	26.1 kw	93%	2 years	£N/A	VIEW
Discontinued
Alpha CD24R Regular Gas Boiler VIEW	24kw	88.6%	3 years	£825	VIEW
Alpha CD13R Regular Gas Boiler VIEW	13kw	88.5%	3 years	£675	VIEW
Alpha CD18R Regular Gas Boiler VIEW	18kw	88.4%	3 years	£763	VIEW

Ariston

Boiler Model	kW	Efficiency	Warranty	Typical Price
Ariston CLAS HE 24kW Regular Gas Boiler VIEW	24kw	90.3%	5 years	£795	VIEW

ATAG

Boiler Model	kW	Efficiency	Warranty	Typical Price
ATAG IR40 40kW Regular Gas Boiler VIEW	38.8 kw	94%	10 years	£N/A	VIEW
ATAG IR32 32kW Regular Gas Boiler VIEW	31.2 kw	94%	10 years	£1,971	VIEW
ATAG IR24 24kW Regular Gas Boiler VIEW	23.2 kw	94%	10 years	£1,971	VIEW
ATAG IR18 18kW Regular Gas Boiler VIEW	17.5 kw	94%	10 years	£N/A	VIEW
ATAG IR15 15kW Regular Gas Boiler VIEW	14.7 kw	94%	10 years	£N/A	VIEW

Baxi

Boiler Model	kW	Efficiency	Warranty	Typical Price
Available
Baxi 412 Heat 12kW Regular Gas Boiler VIEW	12kw	89.2%	5 years	£695	VIEW
Baxi 415 Heat 15kW Regular Gas Boiler VIEW	15kw	89.2%	5 years	£695	VIEW
Baxi 418 Heat 18kW Regular Gas Boiler VIEW	18kw	89.2%	5 years	£805	VIEW
Baxi 424 Heat 24kW Regular Gas Boiler VIEW	24kw	89.1%	5 years	£662	VIEW
Baxi 430 Heat 30kW Regular Gas Boiler VIEW	30kw	89.1%	5 years	£925	VIEW
Baxi 212 Heat 12kW Regular Gas Boiler VIEW	12kw	89.2%	3 years	£695	VIEW
Baxi 215 Heat 15kW Regular Gas Boiler VIEW	15kw	89.2%	3 years	£883	VIEW
Baxi 218 Heat 18kW Regular Gas Boiler VIEW	18kw	89.2%	3 years	£765	VIEW
Baxi 224 Heat 24kW Regular Gas Boiler VIEW	24kw	89.2%	3 years	£815	VIEW
Baxi 230 Heat 30kW Regular Gas Boiler VIEW	30kw	89.1%	3 years	£850	VIEW
Baxi 613 13kW Regular Gas Boiler VIEW	13kw	89.2	7 years	£N/A	VIEW
Baxi 616 16kW Regular Gas Boiler VIEW	16kw	89.2%	7 years	£N/A	VIEW
Baxi 619 19kW Regular Gas Boiler VIEW	19kw	89.2%	7 years	£N/A	VIEW
Baxi 625 25kW Regular Gas Boiler VIEW	25kw	89.1%	7 years	£N/A	VIEW
Baxi 630 30kW Regular Gas Boiler VIEW	30kw	89.1%	7 years	£N/A	VIEW
Discontinued
Baxi Solo 15 HE A Regular Gas Boiler VIEW	15kw	89.2%	2 years	£878	VIEW
Baxi EcoBlue Heat 12 Regular Gas Boiler VIEW	12kw	89.2%	2 years	£795	VIEW
Baxi EcoBlue Heat 15 Regular Gas Boiler VIEW	15kw	89.2%	2 years	£895	VIEW
Baxi EcoBlue Heat 18 Regular Gas Boiler VIEW	18kw	89.2%	2 years	£913	VIEW
Baxi EcoBlue Heat 21 Regular Gas Boiler VIEW	21kw	89.2%	2 years	£925	VIEW
Baxi EcoBlue Heat 24 Regular Gas Boiler VIEW	24kw	89.1%	2 years	£950	VIEW
Baxi EcoBlue Advance Heat 13 Regular Gas Boiler VIEW	13kw	89.2%	7 years	£795	VIEW
Baxi EcoBlue Advance Heat 16 Regular Gas Boiler VIEW	16kw	89.2%	7 years	£925	VIEW
Baxi EcoBlue Advance Heat 19 Regular Gas Boiler VIEW	19kw	89.2%	7 years	£995	VIEW
Baxi EcoBlue Advance Heat 25 Regular Gas Boiler VIEW	25kw	89.1%	7 years	£1,055	VIEW
Baxi EcoBlue Advance Heat 30 Regular Gas Boiler VIEW	30kw	89.1%	7 years	£1,095	VIEW

Biasi

Boiler Model	kW	Efficiency	Warranty	Typical Price
Biasi Advance OV 15kW Regular Gas Boiler VIEW	15kw	92%	5 years	£N/A	VIEW
Biasi Advance OV 18kW Regular Gas Boiler VIEW	18kw	92%	5 years	£N/A	VIEW
Biasi Advance OV 24kW Regular Gas Boiler VIEW	24kw	92%	5 years	£N/A	VIEW

Ferroli

Boiler Model	kW	Efficiency	Warranty	Typical Price
Ferroli Optimax HE 18 OV Regular Gas Boiler VIEW	18kw	92.5%	5 years	£617	VIEW
Ferroli Optimax 25 OV Regular Gas Boiler VIEW	25kw	90.4%	5 years	£559	VIEW

Glow-worm

Boiler Model	kW	Efficiency	Warranty	Typical Price
Available
Glow-worm Easicom₃ 25kW Regular Gas Boiler VIEW	25kw	94%	3 years	£685	VIEW
Glow-worm Energy Regular 12kW Gas Boiler VIEW	12kw	89.3%	7 years	£713	VIEW
Glow-worm Energy Regular 15kW Gas Boiler VIEW	15kw	89.3%	7 years	£780	VIEW
Glow-worm Energy Regular 18kW Gas Boiler VIEW	18kw	89.3%	7 years	£760	VIEW
Glow-worm Energy Regular 25kW Gas Boiler VIEW	25kw	89.2%	7 years	£790	VIEW
Glow-worm Ultimate3 25kW Regular Gas Boiler VIEW	25kw	89.6%	5 years	£725	VIEW
Glow-worm Easicom3 25kW Regular Gas Boiler VIEW	25kw	89.6%	5 years	£N/A	VIEW
Discontinued
Glow-worm Ultracom 24 hxi Regular Gas Boiler VIEW	24kw	88.5%	5 years	£720	VIEW
Glow-worm Flexicom hx 24kW Regular Gas Boiler VIEW	24kw,	88.4%	5 years	£675	VIEW
Glow-worm Ultimate2 Regular 25kW Regular Gas Boiler VIEW	25kw	89.3%	5 years	£870	VIEW
Glow-worm Ultracom 24 hxi Regular Gas Boiler VIEW	30kw	88.4%	5 years	£730	VIEW

Ideal

Boiler Model	kW	Efficiency	Warranty	Typical Price
Best Sellers
Ideal Logic Heat H12 Regular Gas Boiler VIEW	12 kw	92%	2 years	£712	VIEW
Ideal Logic Heat H15 Regular Gas Boiler VIEW	15 kw	93%	2 years	£771	VIEW
Ideal Logic Heat H18 Regular Gas Boiler VIEW	18 kw	92%	2 years	£814	VIEW
Ideal Logic Heat H24 Regular Gas Boiler VIEW	24.2 kw	93%	2 years	£813	VIEW
Ideal Logic Heat H30 Regular Gas Boiler VIEW	30.3 kw	93%	2 years	£939	VIEW
Available
Ideal EvoMax 60kW Regular Gas Boiler VIEW	60kw	96.9%	2 years	£2,700	VIEW
Ideal EvoMax 150kW Regular Gas Boiler VIEW	150kw	96.7%	2 years	£4,500	VIEW
Ideal Logic Max Heat H12 Regular Gas Boiler VIEW	12 kw	93%	10 years	£885	VIEW
Ideal Logic Max Heat H15 Regular Gas Boiler VIEW	15 kw	93%	10 years	£920	VIEW
Ideal Logic Max Heat H18 Regular Gas Boiler VIEW	18 kw	93%	10 years	£957	VIEW
Ideal Logic Max Heat H24 Regular Gas Boiler VIEW	24.2 kw	94%	10 years	£998	VIEW
Ideal Logic Max Heat H30 Regular Gas Boiler VIEW	30.3 kw	93%	10 years	£1,117	VIEW
Ideal Logic Plus Heat H12 Regular Gas Boiler VIEW	12 kw	93%	7 years	£732	VIEW
Ideal Logic Plus Heat H15 Regular Gas Boiler VIEW	15 kw	93%	7 years	£760	VIEW
Ideal Logic Plus Heat H18 Regular Gas Boiler VIEW	18 kw	93%	7 years	£810	VIEW
Ideal Logic Plus Heat H24 Regular Gas Boiler VIEW	24.2 kw	94%	7 years	£845	VIEW
Ideal Logic Plus Heat H30 Regular Gas Boiler VIEW	30.3 kw	93%	7 years	£987	VIEW
Ideal Mexico HE MEX 15 Regular Gas Boiler VIEW	14.6 kw	88.5%	2 years	£1,123	VIEW
Ideal Mexico HE MEX 18 Regular Gas Boiler VIEW	18.2 kw	88.2%	2 years	£1,208	VIEW
Ideal Mexico HE MEX 24 Regular Gas Boiler VIEW	23.4 kw	87.9%	2 years	£1,641	VIEW
Ideal Mexico HE MEX 30 Regular Gas Boiler VIEW	30.1 kw	88.5%	2 years	£1,986	VIEW
Ideal Mexico HE MEX 36 Regular Gas Boiler VIEW	37 kw	89%	2 years	£2,769	VIEW
Discontinued
Ideal EvoMax 30kW Regular Gas Boiler VIEW	30kw	96.7%	2 years	£2,300	VIEW
Ideal EvoMax 40kW Regular Gas Boiler VIEW	40kw	96.2%	2 years	£2,600	VIEW
Ideal EvoMax 80kW Regular Gas Boiler VIEW	80kw	97.2%	2 years	£3,100	VIEW
Ideal EvoMax 100kW Regular Gas Boiler VIEW	100kw	96.7%	2 years	£3,800	VIEW
Ideal EvoMax 120kW Regular Gas Boiler VIEW	120kw	96.6%	2 years	£4,100	VIEW

Intergas

Boiler Model	kW	Efficiency	Warranty	Typical Price
Intergas Compact HRE OV 18kW Regular Gas Boiler VIEW	18kw	88.8%	7 years	£725	VIEW
Intergas Compact HRE OV 24 Regular Gas Boiler VIEW	23kw	88.9%	7 years	£835	VIEW
Intergas Compact HRE OV 30 Regular Gas Boiler VIEW	27kw	88.9%	7 years	£945	VIEW

Johnson and Starley

Boiler Model	kW	Efficiency	Warranty	Typical Price
Johnson and Starley Quantec 24r Regular 24kW Gas Boiler VIEW	24kw	89.6%	8 years	£N/A	VIEW
Johnson and Starley Quantec 16kW Regular Gas Boiler VIEW	16kw	88.8%	8 years	£N/A	VIEW

Keston

Boiler Model	kW	Efficiency	Warranty	Typical Price
Keston Heat 45kW Regular Gas Boiler VIEW	45kw	89.2%	7 years	£2,225	VIEW
Keston Heat 55kW Regular Gas Boiler VIEW	55kw	89.6%	7 years	£2,610	VIEW

Main

Boiler Model	kW	Efficiency	Warranty	Typical Price
Main HE A 12kW Regular Gas Boiler VIEW	12kw	88.7%	3 years	£500	VIEW
Main HE A 15kW Regular Gas Boiler VIEW	15kw	89%	3 years	£520	VIEW
Main HE A 18kW Regular Gas Boiler VIEW	18kw	88.7%	3 years	£540	VIEW
Main HE A 24kW Regular Gas Boiler VIEW	24kw	88.9%	3 years	£600	VIEW

Potterton

Boiler Model	kW	Efficiency	Warranty	Typical Price
Available
Potterton Promax SL Heat 12kW Regular Gas Boiler VIEW	12kw	91.10%	1 year	£675	VIEW
Potterton Promax SL Heat 18kW Regular Gas Boiler VIEW	18kw	89.4%	2 years	£850	VIEW
Potterton Promax SL Heat 15kW Regular Gas Boiler VIEW	15kw	89.4%	2 years	£790	VIEW
Potterton Promax Store 90L Regular Gas Boiler VIEW	24kw	89%	2 years	£717	VIEW
Potterton Promax Store 155L Regular Gas Boiler VIEW	24kw	89%	2 years	£1,697	VIEW
Potterton Promax Store 150L Regular Gas Boiler VIEW	24kw	89%	2 years	£2,000	VIEW
Potterton Ultra Regular 24kW Gas Boiler VIEW	24kw	89.1%	2 years	£1,100	VIEW
Potterton Ultra Regular 21kW Gas Boiler VIEW	21kw	89.1%	2 years	£1,110	VIEW
Potterton Ultra Regular 18kW Gas Boiler VIEW	18kw	89.2%	2 years	£988	VIEW
Potterton Ultra Regular 15kW Gas Boiler VIEW	15kw	89.2%	2 years	£988	VIEW
Potterton Ultra Regular 12kW Gas Boiler VIEW	12kw	89.2%	2 years	£984	VIEW
Potterton Assure Heat 13kW Regular Gas Boiler VIEW	13kw	93%	2 years	£854	VIEW
Potterton Assure Heat 16kW Regular Gas Boiler VIEW	16kw	93%	2 years	£948	VIEW
Potterton Assure Heat 19kW Regular Gas Boiler VIEW	19kw	93%	2 years	£1,023	VIEW
Potterton Assure Heat 25kW Regular Gas Boiler VIEW	25kw	93%	2 years	£1,147	VIEW
Potterton Assure Heat 30kW Regular Gas Boiler VIEW	30kw	93%	2 years	£1,342	VIEW
Potterton Titanium 12kW Regular Gas Boiler VIEW	12kw	93%	7 years	£700	VIEW
Potterton Titanium 15kW Regular Gas Boiler VIEW	15kw	93%	7 years	£850	VIEW
Potterton Titanium 18kW Regular Gas Boiler VIEW	18kw	93%	7 years	£850	VIEW
Potterton Titanium 24kW Regular Gas Boiler VIEW	24kw	93%	7 years	£900	VIEW
Potterton Titanium 30kW Regular Gas Boiler VIEW	30kw	93%	7 years	£840	VIEW
Discontinued
Potterton Promax HE Plus 15 kW Regular Gas Boiler VIEW	15kw	89.40%	1 year	£775	VIEW
Potterton Promax SL Heat 24kW Regular Gas Boiler VIEW	24kw	88.80%	1 year	£925	VIEW
Potterton Promax HE Plus 24 kW Regular Gas Boiler VIEW	24kw	89.4%	1 year	£871	VIEW
Potterton Promax HE Plus 30 kW Regular Gas Boiler VIEW	30kw	89.4%	1 year	£875	VIEW

Ravenheat

Boiler Model	kW	Efficiency	Warranty	Typical Price
Ravenheat CSI Primary 25kW Regular Gas Boiler VIEW	25kw	90.2%	3 years	£636	VIEW

Vaillant

Boiler Model	kW	Efficiency	Warranty	Typical Price
Vaillant ecoTEC plus 435 35kW Regular Gas Boiler VIEW	35kw	89.20%	5 years	£1,500	VIEW
Vaillant ecoTEC plus 415 15kW Regular Gas Boiler VIEW	15kw	88.70%	5 years	£790	VIEW
Vaillant ecoTEC plus 430 Regular Gas Boiler VIEW	30kw	89.3%	5 years	£1,550	VIEW
Vaillant ecoTEC plus 424 24kW Regular Gas Boiler VIEW	24kw	89.3%	5 years	£975	VIEW
Vaillant ecoTEC plus 412 Regular Gas Boiler VIEW	12kw	89.3%	5 years	£825	VIEW
Vaillant ecoTEC plus 418 Regular Gas Boiler VIEW	18kw	89.3%	5 years	£875	VIEW
Vaillant Home 12kW Regular Gas Boiler VIEW	12kw	89.4%	2 years	£N/A	VIEW
Vaillant Home 15kW Regular Gas Boiler VIEW	15kw	89.4%	2 years	£915	VIEW
Vaillant Home 18kW Regular Gas Boiler VIEW	18kw	89.4%	2 years	£855	VIEW
Vaillant Home 25kW Regular Gas Boiler VIEW	25kw	89.4%	2 years	£895	VIEW
Vaillant Home 30kW Regular Gas Boiler VIEW	30kw	89.4%	2 years	£925	VIEW
Vaillant ecoFIT pure 12kW Regular Gas Boiler VIEW	12kw	89.3%	2 years	£1,005	VIEW
Vaillant EcoFIT Pure 15kW Regular Gas Boiler VIEW	15kw	89.1%	2 years	£715	VIEW
Vaillant EcoFIT Pure 18kW Regular Gas Boiler VIEW	18kw	89%	2 years	£760	VIEW
Vaillant EcoFIT Pure 25kW Regular Gas Boiler VIEW	25kw	89%	2 years	£825	VIEW
Vaillant EcoFIT Pure 30kW Regular Gas Boiler VIEW	30kw	89.3%	2 years	£965	VIEW
Vaillant EcoFIT Pure 35kW Regular Gas Boiler VIEW	35kw	89.7%	2 years	£1,300	VIEW

Viessmann

Boiler Model	kW	Efficiency	Warranty	Typical Price
Viessmann WB1B Vitodens 100-W 13kW Regular Gas Boiler VIEW	13kw	89.00%	5 years	£845	VIEW
Viessmann WB1B Vitodens 100-W 35kW Regular Gas Boiler VIEW	35kw	88.7%	5 years	£1,200	VIEW
Viessmann WB1B Vitodens 100-W 16kW Regular Gas Boiler VIEW	16kw	89.1%	5 years	£900	VIEW
Viessmann WB1B Vitodens 100-W 19kW Regular Gas Boiler VIEW	19kw	89%	5 years	£900	VIEW
Viessmann WB1B Vitodens 100-W 26kW Regular Gas Boiler VIEW	26kw	89.3%	5 years	£900	VIEW

Vokera

Boiler Model	kW	Efficiency	Warranty	Typical Price
Vokera Mynute 15VHE Open Vent Regular Gas Boiler VIEW	15kw	89.3%	2 years	£530	VIEW
Vokera Mynute 20VHE Open Vent Regular Gas Boiler VIEW	20kw	88.8%	2 years	£470	VIEW
Vokera Easi-Heat Plus 18V Open Vent VIEW	19kw	92%	5 years	£525	VIEW

Worcester Bosch

Boiler Model	kW	Efficiency	Warranty	Typical Price
Available
Worcester Bosch Greenstar 24Ri Regular Gas Boiler VIEW	24kw	92%	5 years	£954	VIEW
Worcester Bosch Greenstar 18Ri Regular Gas Boiler VIEW	18kw	92%	5 years	£898	VIEW
Worcester Bosch Greenstar 15Ri Regular Gas Boiler VIEW	15kw	92%	5 years	£843	VIEW
Worcester Bosch Greenstar 12Ri Regular Gas Boiler VIEW	12kw	92%	5 years	£814	VIEW
Worcester Bosch Greenstar 27Ri Regular Gas Boiler VIEW	27kw	92%	5 years	£1,114	VIEW
Worcester Bosch Greenstar 30Ri Regular Gas Boiler VIEW	30kw	93%	5 years	£1,080	VIEW
Worcester Bosch Greenstar FS 30CDi Regular Gas Boiler VIEW	30kw	92%	5 years	£1,588	VIEW
Worcester Bosch Greenstar Fs 42CDi Regular Gas Boiler VIEW	41kw	92%	5 years	£2,091	VIEW
Worcester Bosch Greenstar 8000 Life 30kW Regular Gas Boiler VIEW	30kw	94%	5 years	£1,255	VIEW
Worcester Bosch Greenstar 8000 Life 35kW Regular Gas Boiler VIEW	35kw	94%	5 years	£1,546	VIEW
Worcester Bosch Greenstar 8000 Life 40kW Regular Gas Boiler VIEW	40kw	94%	5 years	£1,776	VIEW
Worcester Bosch Greenstar 8000 Life 45kW Regular Gas Boiler VIEW	45kw	94%	5 years	£2,028	VIEW
Worcester Bosch Greenstar 8000 Life 50kW Regular Gas Boiler VIEW	50kw	94%	5 years	£2,300	VIEW
Worcester Bosch Greenstar 21Ri Regular Gas Boiler VIEW	21 kw	92%	5 years	£996	VIEW
Discontinued
Worcester Bosch Greenstar 40CDi Classic Regular Gas Boiler VIEW	40kw	92%	2 years	£1,495	VIEW
Worcester Bosch Greenstar 30CDi Classic Regular Gas Boiler VIEW	30kw	92%	2 years	£1,100	VIEW

What work do you require?

Compare Gas Regular Boilers

You can select up to 4 gas boilers. Simply add your choices to compare.

Alpha

Available

Discontinued

Ariston

ATAG

Baxi

Available

Discontinued

Biasi

Ferroli

Glow-worm

Available

Discontinued

Ideal

Best Sellers

Available

Discontinued

Intergas

Johnson and Starley

Keston

Main

Potterton

Available

Discontinued

Ravenheat

Vaillant

Viessmann

Vokera

Worcester Bosch

Available

Discontinued

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