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Boilers come in a wide variety of types and power ratings to suit the age and size of a property as well as heating and hot water demands. The bigger the property, the more powerful the boiler must be to supply consistent heating and hot water. Increasingly, boiler efficiency is also a priority, helping homeowners and businesses to minimise energy costs and heat their premises in more environmentally conscious ways. Clients also want reassurance that their boiler of choice is reliable with a long lifespan.

PlumbNation offer many types of boilers to suit the needs and budgets of residential and commercial clients, including conventional boilers, combi boilers, system boilers and electric boilers. Our extensive range includes leading brands such as Worcester Bosch, Vaillant and Baxi. Flues and accessories are also available to complete the installation. Explore our full collection below and find the best boiler for your project.

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Filter Results
2244 results
worcester-100mm-extension-flue-kit-2000mm-7716191172

Worcester 100mm Extension Flue Kit 2000mm 7716191172

£218.59 inc
VAT
Save £24.22 | Was £242.81
vaillant-ecofit-pure-835-combination-boiler-packs-erp

Vaillant ecoFIT pure 835 Combination Boiler ErP, Horizontal Flue & VRC 700

More Options Available
£2,008.94 inc
VAT
worcester-greenstar-8000-50kw-gas-regular-boiler-horizontal-flue

Worcester Greenstar 8000+ 50kW Gas Regular Boiler - Horizontal Flue

More Options Available
£3,133.97 inc
VAT
worcester-greenstar-danesmoor-utility-1218kw-regular-oil-boiler-horizontal-flue

Worcester Greenstar Danesmoor Utility 12/18kW Regular Oil Boiler - Horizontal Flue

More Options Available
£2,227.06 inc
VAT
worcester-oilfit-vertical-flue-kit-80125mm-7731600218

Worcester Oilfit Vertical Flue Kit 80/125mm 7731600218

£330.74 inc
VAT
Save £63.08 | Was £393.82
glow-worm-energy7-18s-system-boiler

Glow-worm Energy7 18kW 18S System Boiler 0010035901

£1,153.19 inc
VAT
vaillant-ecofit-pure-835-combination-boiler-packs-erp

Vaillant ecoFIT pure 835 Combination Boiler ErP, Horizontal Flue & 160 TimeSWITCH

More Options Available
£1,904.50 inc
VAT
ferroli-100mm-1m-flue-extension

Ferroli 100mm 1M Flue Extension - 1KWMA57W

£87.95 inc
VAT
vaillant-ecofit-pure-system-boiler-packs-erp

Vaillant ecoFIT pure 630 System Boiler ErP & Rear Flue

More Options Available
£1,869.53 inc
VAT
vaillant-ecofit-pure-system-boiler-packs-erp

Vaillant ecoFIT pure 630 System Boiler ErP & Horizontal Flue

More Options Available
£1,851.61 inc
VAT
trianco-aztec-classic-tri-9kw-electric-flow-boiler

Trianco Aztec Classic TRI 9kW Electric Flow Boiler - 4002

£703.09 inc
VAT
Save £84.39 | Was £787.48
warmflow-agentis-21-27kw-boilerhouse-oil-boiler

Warmflow Agentis 21-27kW Boilerhouse Oil Boiler - B26

More Options Available
£1,477.84 inc
VAT
Save £171.11 | Was £1,648.95
worcester-greenstar-8000-50kw-gas-combi-boiler-vertical-flue

Worcester Greenstar 8000+ 50kW Gas Combi Boiler - Vertical Flue

More Options Available
£2,943.90 inc
VAT
baxi-potterton-vertical-flue-terminal-5118576

Baxi / Potterton Vertical Flue Terminal 5118576

£125.76 inc
VAT
baxi-800-825-heat-only-boiler-horizontal-flue

Baxi 800 825 Heat Only Boiler & Horizontal Flue

£1,590.14 inc
VAT
vaillant-ecofit-pure-835-combination-boiler-packs-erp

Vaillant ecoFIT Pure 835 Combi Boiler ErP & Horizontal Flue

More Options Available
£1,819.21 inc
VAT
vaillant-125mm-standard-horizontal-flue-kit-303209

Vaillant 125mm Standard Horizontal Flue Kit 303209

£135.83 inc
VAT
Save £6.95 | Was £142.78
vaillant-160mm-1m-flue-extension-0020106377

Vaillant 160mm 1m Flue Extension 0020106377

£119.33 inc
VAT
Save £10.43 | Was £129.76
vaillant-ecofit-pure-830-combination-boiler-packs-erp

Vaillant ecoFIT pure 830 Combination Boiler ErP, Horizontal Flue & VRT350

More Options Available
£1,763.94 inc
VAT
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