Best Gas Heating Systems Deals Online in the UK (25 Deals Found)

Last Updated - 19/02/2026 Sort By:

Best Choice
Straame

New
Straame Mobile Gas Heater 4.2kW – Foldable Indoor Butane Heater with 3 Heat Settings, Push-Button Ignition, ODS & Anti-T
Powerful & Adjustable Heat: Get instant warmth with a 4.2kW maximum output. Easily tailor your comfort by choosing from

£49.99 £59.99
Easy Shopping

New
Easy Shopping® Portable Gas Heater 4.2KW Butane LPG Gas Heater for Home Office Room Bathroom Heating Cabinet
The portable gas radiant heater has a convenient, mobile, and space-saving design, built-in Wheels, you can take this he

£64.90
New
PROPEX MALAGA 5E HEATING SYSTEM GAS/ELECTRIC MOTORHOME/CARAVAN HEATER SYSTEM
Whichever version of the. Propex Malaga 5E Electric LPG Gas Water Storage Heater features Propex Malaga 5E Water Heater.

£539.95
Best Value
Straame

New
Straame Indoor Gas Heater 4.2KW – Portable, Compact, & Efficient Heating Solution for Home, Garage, and Office – Safe, A
Efficient & Powerful Heating: This indoor gas heater is designed to provide quick and reliable warmth for small to mediu

£49.99 £59.99
Used
POWRMATIC GAS HEATER 50KW PGUH45/F/1, factory, Ind unit, barn heating system
Powermatic Gas heating system, heavy duty, ideal for factory industrial unit, barn, etc Powermatic Direct feed gas fired

£414.70
Easy Shopping

New
Easy Shopping® Portable Gas Heatar 4.2KW Indoor Heatar with Oxygen Depletion Sensor & 3 Heating Settings - Butane Gas He
The portable gas radiant heater has a convenient, mobile, and space-saving design, built-in Wheels, you can take this he

£59.95 £64.95
GASDEPOT

New
WARMGLOW Portable Gas Heater in Grey - 4.1KW Indoor with Oxygen Depletion Sensor & 3 Heating Settings - Butane Gas Heate
3 HEAT SETTINGS: With a range of 1.5KW - 4.1KW of heating power, our indoor heating unit is perfect for when temperature

£74.99
New
Mr. Heater Little Buddy with Adaptor for Gas Heating Cartridge System
This patented radiant 3,800 BTU Liquid Propane heater connects directly to a 1 lb. cylinder and is the perfect solution

£91.60
Universal Innovations

New
Universal Innovations Manhattan Contemporary Calor Gas Heater
3.4KW Heat Output

£199.99
New
Ideal Heating Logic Max S15 System Gas Boiler
If you are not available your order will be left safe. Lightweight design (26.1kg) for easier installation. Scratch-resi

£938.99
Warm Glow

New
WARMGLOW Living Flame Gas Heater - Heat Adjustable 3.8KW Indoor Heaters for Home with Easy Ignition - 21mm Regulator
WARM YOUR LIVING SPACE - Enjoy your indoor space during the colder seasons with the WARMGLOW Living Flame Gas Heater. It

£144.99 £149.99
30% Off
NJ The right choice

New
Portable Gas Heater Indoor Mobile Foldable 4.2kW Regulator Set
Energy Saving - Cut down your electricity bill with the NJ-H2 room gas heater, no electricity is required. All you need

£69.90 £99.90
New
PROPEX MALAGA 5E HEATER SYSTEM 4 CARAVAN MOTORHOME GAS/ELECTRIC HEATING SYSTEM
Whichever version of the. Propex Malaga 5E Electric LPG Gas Water Storage Heater features Propex Malaga 5E Water Heater.

£539.95
NJ The right choice

Used
Portable Gas Heater Indoor Mobile Foldable 4.2kW Regulator Set
Energy Saving - Cut down your electricity bill with the NJ-H2 room gas heater, no electricity is required. All you need

£61.05
New
Honeywell VR4601A Gas Valve for Heating Systems
The Honeywell VR4601A Gas Valve is a high-quality component designed specifically for heating systems, such as storage t

£75.77
DKIEI

New
DKIEI Portable Gas Heater, 4.2KW 3 Heating Settings Calor Gas Heaters with Wheels, Hose and Regulator, Indoor Outdoor Bu
3 Heating Modes: This gas heater (without gas cylinder) can freely set the heating mode from 1.3KW to 4.2KW to maintain

£55.99
Used
Mr. Heater Little Buddy with Adaptor for Gas Heating Cartridge System
The Mr. Heater Little Buddy with Adaptor is a portable gas heating cartridge system designed for outdoor use. This compa

£73.50
New
Ideal Heating Logic Max S18 System Gas Boiler
If you are not available your order will be left safe. Lightweight design (26.1kg) for straightforward installation. Scr

£1,025.99
New
SupaWarm 4.2kW Gas Cabinet Heater - 3 Heat Settings
Brand new in box Gas not included

£77.15
Used
IDEAL LOGIC (+) COMBI 24 30 35 & SYSTEM / HEAT 12 15 18 24 30 GAS VALVE 175562
Part No: - 175562. Ideal Logic Code Combi 26 (GC No. 47-348-74) Pre ABT. Ideal Logic Code Combi 33 (GC No. 47-348-75) Pr

£29.99
New
Honeywell V4600C Gas Valve for Heating Systems
Honeywell V4600C gas valve New but no box Old stock

£83.90
New
IDEAL LOGIC (+) COMBI 24 30 35 & SYSTEM / HEAT 12 15 18 24 30 GAS VALVE 175562
Part No: - 175562. Ideal Logic Code Combi 26 (GC No. 47-348-74) Pre ABT. Ideal Logic Code Combi 33 (GC No. 47-348-75) Pr

£119.99
New
Honeywell Vailliant 053473 Gas Valve for Heating Systems
Honeywell Vailliant 053473 Gas Valve for Heating Systems

£73.50
Used
ideal Logic Heat H15 system gas boiler for home heating complete with programer
The Ideal Logic Heat H15 system gas boiler is a reliable and efficient choice for home heating, complete with a programm

£312.70
New
Bosch PN: CE-0085CS0221 8370-957-00438-8738713668 Junkers Gas Heating Systems
Bosch PN: CE-0085CS0221 8370-957-00438-8738713668 Junkers Gas Heating Systems - Brand new never used, minor cosmetic dam

£150.00

25 Gas Heating Systems deals are available from: Amazon, eBay stores, starting from £29.99.
The biggest discount we found is 30% on Portable Gas Heater Indoor Mobile Foldable 4.2kW Regulator Set at Amazon.
The lowest price we found is £29.99 while the highest is £1,025.99.
Prices for the best Gas Heating Systems deals average at £215.18.
Last updated on February 19, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Gas Heating Systems.