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Gas Heat Only Boilers

A heat only boiler, sometimes referred to as a conventional or regular boiler, suits homes with a traditional heating and hot water system. Heat Only boilers require a cold water tank and expansion cistern in the loft to provide central heating and hot water. This option is most suitable when high amounts of stored water are required, or minimal disruption is required when replacing an old boiler.

You can expect to pay anything from 600 up to 1400 for a domestic heat only boiler gas boiler, depending on the output required. The costly market-leading brands such as Vaillant and Worcester Bosch have similar or identical inner parts to lower-priced models a lot of the time. Call our sales team to make sure you're getting the best deal.
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Baxi Solo 30 HE Condensing Conventional Gas Boiler
SAVE 34%
Available In Stock More info
Baxi Solo 30 HE Condensing Conventional Gas Boiler
Delivery:5 Days
1060.32 RRP: 1614.00
  • Our Reference Code

    PSOLO30HE

  • Manufacturer Code

    5117785

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Baxi


Worcester Greenstar 24 RI Condensing Conventional Gas Boiler - 24 kW
Available In Stock More info
  • Our Reference Code

    PWGS24RI

  • Manufacturer Code

    7716130138

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Worcester Bosch


Worcester Greenstar 40 CDi Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PWGS40CDIC

  • Manufacturer Code

    7712231636

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    5 years guarantee Years

  • Brand

    Worcester Bosch


Glowworm 12Hx Flexicom Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PFCOM12HXC

  • Manufacturer Code

    10005850

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Glow-Worm


Glowworm 15Hx Flexicom Condensing Conventional Gas Boiler
Available In Stock More info
Glowworm 15Hx Flexicom Condensing Conventional Gas Boiler
Delivery:4 Days
804.65 RRP: 1000.80
  • Our Reference Code

    PFCOM15HXC

  • Manufacturer Code

    10005851

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Glow-Worm


Baxi Solo 12 HE Condensing Conventional Gas Boiler
Available In Stock More info
Baxi Solo 12 HE Condensing Conventional Gas Boiler
Delivery:5 Days
820.08 RRP: 1020.00
  • Our Reference Code

    PSOLO12HE

  • Manufacturer Code

    5120295

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Baxi


Glowworm 18Hx Flexicom Condensing Conventional Gas Boiler
Available In Stock More info
Glowworm 18Hx Flexicom Condensing Conventional Gas Boiler
Delivery:4 Days
848.06 RRP: 1054.80
  • Our Reference Code

    PFCOM18HXC

  • Manufacturer Code

    10005852

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Glow-Worm


Glowworm Ultracom 12 hxi Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PUCOM12HXI

  • Manufacturer Code

    10002449

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Glow-Worm


Ideal Logic 12kW Condensing Conventional Gas Boiler
Available In Stock More info
Ideal Logic 12kW Condensing Conventional Gas Boiler
Delivery:5 Days
854.87 RRP: 1136.97
  • Our Reference Code

    PLOGIC12HEHO

  • Manufacturer Code

    205837

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Ideal Boilers


Baxi Solo 15 HE Condensing Conventional Gas Boiler
Available In Stock More info
Baxi Solo 15 HE Condensing Conventional Gas Boiler
Delivery:5 Days
871.21 RRP: 1083.60
  • Our Reference Code

    PSOLO15HE

  • Manufacturer Code

    5117783

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Baxi


Glowworm 24Hx Flexicom Condensing Conventional Gas Boiler
Available In Stock More info
Glowworm 24Hx Flexicom Condensing Conventional Gas Boiler
Delivery:4 Days
878.93 RRP: 1093.20
  • Our Reference Code

    PFCOM24HXC

  • Manufacturer Code

    10005853

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Glow-Worm


Ideal Logic 15kW Condensing Conventional Gas Boiler
Available In Stock More info
Ideal Logic 15kW Condensing Conventional Gas Boiler
Delivery:5 Days
900.43 RRP: 1197.57
  • Our Reference Code

    PLOGIC15HEHO

  • Manufacturer Code

    205838

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Ideal Boilers


Glowworm Ultracom 15 hxi Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PUCOM15HXI

  • Manufacturer Code

    10002450

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Glow-Worm


Worcester Greenstar 12 RI Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PWGS12RI

  • Manufacturer Code

    7716130137

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Worcester Bosch


Baxi Solo 18 HE Condensing Conventional Gas Boiler
Available In Stock More info
Baxi Solo 18 HE Condensing Conventional Gas Boiler
Delivery:5 Days
941.64 RRP: 1171.20
  • Our Reference Code

    PSOLO18HE

  • Manufacturer Code

    5120296

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Baxi


Ideal Logic 18kW Condensing Conventional Gas Boiler
Available In Stock More info
Ideal Logic 18kW Condensing Conventional Gas Boiler
Delivery:5 Days
943.76 RRP: 1255.21
  • Our Reference Code

    PLOGIC18HEHO

  • Manufacturer Code

    205839

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Ideal Boilers


Glowworm Ultracom 18 hxi Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PUCOM18HXI

  • Manufacturer Code

    10002451

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Glow-Worm


Vaillant ecoTEC Plus 415 Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PETECPLUS415

  • Manufacturer Code

    10002724

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Vaillant


Glowworm 30Hx Flexicom Condensing Conventional Gas Boiler
SAVE 34%
Available In Stock More info
Glowworm 30Hx Flexicom Condensing Conventional Gas Boiler
Delivery:4 Days
958.04 RRP: 1444.50
  • Our Reference Code

    PFCOM30HXC

  • Manufacturer Code

    10005854

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Glow-Worm


Worcester Greenstar 15 RI Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PWGS15RI

  • Manufacturer Code

    7716130153

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Worcester Bosch


Glowworm Ultracom 24 hxi Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PUCOM24HXI

  • Manufacturer Code

    10002452

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Glow-Worm


Baxi Solo 24 HE Condensing Conventional Gas Boiler
Available In Stock More info
Baxi Solo 24 HE Condensing Conventional Gas Boiler
Delivery:5 Days
992.78 RRP: 1234.80
  • Our Reference Code

    PSOLO24HE

  • Manufacturer Code

    5117784

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Baxi


Worcester Greenstar 18 RI Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PWGS18RI

  • Manufacturer Code

    7716130155

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Worcester Bosch


Ideal Logic+ 12kW Condensing Conventional Gas Boiler
Available In Stock More info
Ideal Logic+ 12kW Condensing Conventional Gas Boiler
Delivery:5 Days
1045.85 RRP: 1390.98
  • Our Reference Code

    PLOGIC+12HEHO

  • Manufacturer Code

    205885

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    5 years guarantee Years

  • Brand

    Ideal Boilers


Ideal Logic 24kW Condensing Conventional Gas Boiler
Available In Stock More info
Ideal Logic 24kW Condensing Conventional Gas Boiler
Delivery:5 Days
1048.60 RRP: 1394.63
  • Our Reference Code

    PLOGIC24HEHO

  • Manufacturer Code

    205760

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Ideal Boilers


Vaillant ecoTEC Plus 418 Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PETECPLUS418

  • Manufacturer Code

    10002460

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Vaillant


Glowworm Ultracom 30 hxi Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PUCOM30HXI

  • Manufacturer Code

    10002453

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Glow-Worm


Ideal Logic+ 15kW Condensing Conventional Gas Boiler
Available In Stock More info
Ideal Logic+ 15kW Condensing Conventional Gas Boiler
Delivery:5 Days
1095.24 RRP: 1456.67
  • Our Reference Code

    PLOGIC+15HEHO

  • Manufacturer Code

    205886

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    5 years guarantee Years

  • Brand

    Ideal Boilers


Ideal Logic 30kW Condensing Conventional Gas Boiler
Available In Stock More info
Ideal Logic 30kW Condensing Conventional Gas Boiler
Delivery:5 Days
1128.40 RRP: 1500.77
  • Our Reference Code

    PLOGIC30HEHO

  • Manufacturer Code

    205841

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Ideal Boilers


Ideal Logic+ 18kW Condensing Conventional Gas Boiler
Available In Stock More info
Ideal Logic+ 18kW Condensing Conventional Gas Boiler
Delivery:5 Days
1141.12 RRP: 1517.68
  • Our Reference Code

    PLOGIC+18HEHO

  • Manufacturer Code

    205887

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    5 years guarantee Years

  • Brand

    Ideal Boilers


Ideal Mexico HE 15 (Fanned Flue) Floor Standing Condensing Heating Boiler
Available In Stock More info
  • Our Reference Code

    PMEX15HE

  • Manufacturer Code

    201728

  • Usual Delivery Time

    Approx 7 Working Days

  • Guarantee Period

    1 years guarantee Years

  • Brand

    Ideal Boilers


Ideal Logic+ 24kW Condensing Conventional Gas Boiler
Available In Stock More info
Ideal Logic+ 24kW Condensing Conventional Gas Boiler
Delivery:5 Days
1188.76 RRP: 1581.05
  • Our Reference Code

    PLOGIC+24HEHO

  • Manufacturer Code

    205888

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    5 years guarantee Years

  • Brand

    Ideal Boilers


Vaillant ecoTEC Plus 428 Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PETECPLUS428

  • Manufacturer Code

    10002461

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Vaillant


Ideal Mexico HE 18 (Fanned Flue) Floor Standing Condensing Heating Boiler
Available In Stock More info
  • Our Reference Code

    PMEX18HE

  • Manufacturer Code

    201727

  • Usual Delivery Time

    Approx 7 Working Days

  • Guarantee Period

    1 years guarantee Years

  • Brand

    Ideal Boilers


Glowworm 35Hx Flexicom Condensing Conventional Gas Boiler
Available In Stock More info
Glowworm 35Hx Flexicom Condensing Conventional Gas Boiler
Delivery:4 Days
1324.67 RRP: 1647.60
  • Our Reference Code

    PFCOM35HXC

  • Manufacturer Code

    10005855

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Glow-Worm


Ideal Logic+ 30kW Condensing Conventional Gas Boiler
Available In Stock More info
Ideal Logic+ 30kW Condensing Conventional Gas Boiler
Delivery:5 Days
1341.77 RRP: 1784.55
  • Our Reference Code

    PLOGIC+30HEHO

  • Manufacturer Code

    205889

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    5 years guarantee Years

  • Brand

    Ideal Boilers


Ideal Mexico HE 24 (Fanned Flue) Floor Standing Condensing Heating Boiler
Available In Stock More info
  • Our Reference Code

    PMEX24HE

  • Manufacturer Code

    201510

  • Usual Delivery Time

    Approx 7 Working Days

  • Guarantee Period

    1 years guarantee Years

  • Brand

    Ideal Boilers


Glowworm Ultracom 38 hxi Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PUCOM38HXI

  • Manufacturer Code

    10002454

  • Usual Delivery Time

    Approx 4 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Glow-Worm


Vaillant ecoTEC Plus 438 Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PETECPLUS438

  • Manufacturer Code

    10002725

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Vaillant


Ideal Mexico HE 30 (Fanned Flue) Floor Standing Condensing Heating Boiler
Available In Stock More info
  • Our Reference Code

    PMEX30HE

  • Manufacturer Code

    201725

  • Usual Delivery Time

    Approx 7 Working Days

  • Guarantee Period

    1 years guarantee Years

  • Brand

    Ideal Boilers


Ideal Mexico HE 36 (Fanned Flue) Floor Standing Condensing Heating Boiler
Available In Stock More info
  • Our Reference Code

    PMEX36HE

  • Manufacturer Code

    201511

  • Usual Delivery Time

    Approx 7 Working Days

  • Guarantee Period

    1 years guarantee Years

  • Brand

    Ideal Boilers


Worcester Greenstar 30CDi Floor Standing Conventional Boiler
Available In Stock More info
  • Our Reference Code

    PWGSFS30CDI

  • Manufacturer Code

    7715430442

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    5 years guarantee Years

  • Brand

    Worcester Bosch


Worcester Greenstar 42CDi Floor Standing Condensing Conventional Gas Boiler
Available In Stock More info
  • Our Reference Code

    PWGSFS42CDI

  • Manufacturer Code

    7715430441

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    5 years guarantee Years

  • Brand

    Worcester Bosch


Baxi Avanta Plus 18v Condensing Heat Only Gas Boiler
SAVE 45%
Not Available  Out Of Stock
Baxi Avanta Plus 18v Condensing Heat Only Gas Boiler
Delivery:5 Days
740.89 RRP: 1350.02
  • Our Reference Code

    PAVANTA18H

  • Manufacturer Code

    7604382

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Baxi


Baxi Avanta Plus 30v Condensing Heat Only Gas Boiler
SAVE 45%
Not Available  Out Of Stock
Baxi Avanta Plus 30v Condensing Heat Only Gas Boiler
Delivery:5 Days
917.87 RRP: 1672.51
  • Our Reference Code

    PAVANTA30H

  • Manufacturer Code

    7604384

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Baxi


Baxi Avanta Plus 15v Condensing Heat Only Gas Boiler
SAVE 45%
Not Available  Out Of Stock
Baxi Avanta Plus 15v Condensing Heat Only Gas Boiler
Delivery:5 Days
720.30 RRP: 1312.51
  • Our Reference Code

    PAVANTA15H

  • Manufacturer Code

    7604381

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Baxi


Baxi Avanta Plus 24v Condensing Heat Only Gas Boiler
SAVE 45%
Not Available  Out Of Stock
Baxi Avanta Plus 24v Condensing Heat Only Gas Boiler
Delivery:5 Days
802.63 RRP: 1462.54
  • Our Reference Code

    PAVANTA24H

  • Manufacturer Code

    7604383

  • Usual Delivery Time

    Approx 5 Working Days

  • Guarantee Period

    2 years guarantee Years

  • Brand

    Baxi


Ideal Logic+ 12 Condensing Heat Only Boiler including Horizontal Flue
Not Available  Out Of Stock
  • Our Reference Code

    100033

  • Manufacturer Code

  • Usual Delivery Time

    Approx 3 Working Days

  • Guarantee Period

    1 years guarantee Years

  • Brand

    Ideal Boilers


Ideal Logic+ 15 Condensing Heat Only Boiler including Horizontal Flue
Not Available  Out Of Stock
  • Our Reference Code

    100034

  • Manufacturer Code

  • Usual Delivery Time

    Approx 3 Working Days

  • Guarantee Period

    1 years guarantee Years

  • Brand

    Ideal Boilers


Ideal Logic+ 18 Condensing Heat Only Boiler including Horizontal Flue
Not Available  Out Of Stock
  • Our Reference Code

    100035

  • Manufacturer Code

  • Usual Delivery Time

    Approx 3 Working Days

  • Guarantee Period

    1 years guarantee Years

  • Brand

    Ideal Boilers


Ideal Logic+ 24 Condensing Heat Only Boiler including Horizontal Flue
Not Available  Out Of Stock
  • Our Reference Code

    100036

  • Manufacturer Code

  • Usual Delivery Time

    Approx 3 Working Days

  • Guarantee Period

    1 years guarantee Years

  • Brand

    Ideal Boilers


Ideal Logic+ 30 Condensing Heat Only Boiler including Horizontal Flue
Not Available  Out Of Stock
  • Our Reference Code

    100037

  • Manufacturer Code

  • Usual Delivery Time

    Approx 3 Working Days

  • Guarantee Period

    1 years guarantee Years

  • Brand

    Ideal Boilers




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