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Categories
Manufacturers
- ACL Drayton (Invensys)
- Adey
- Antares
- Biworld
- Caleffi
- Campini Corel
- Cotherm
- Danfoss Randall
- Delta Dore
- Do Heating
- Emmeti
- EPH
- ESI
- Fernox
- Giacomini
- Grasslin
- Grundfos
- Herz Valves
- Honeywell
- Horstmann
- Ivar
- Neomitis
- Nest
- Other
- Owl
- Pegler
- Potterton Myson
- Reliance Water Controls
- Salus
- SBK
- Scalemaster
- Seitron
- Sentinel
- Siemens (Landis & Staefa/Gyr)
- Sunvic (Satchwell)
- Thermowatt
- Tower
- Watts Electronics
Saturday Delivery Available Until 4pm Today
UK Mainland Only
Saturday Delivery Available Until 4pm Today
UK Mainland Only
Other
1" BSP Double Male Nipple
..
£2.98
Ex Tax: £2.48
Ex Tax: £2.48
1/2" Chrome Plated Extension Piece.
Extends 30mm
Ideal when replacing radiators
..
£4.79
Ex Tax: £3.99
Ex Tax: £3.99
Pressure Relief Valve (Safety Valve) with pressure gauge 3 bar.
1/2 Inch
..
£8.98
Ex Tax: £7.48
Ex Tax: £7.48
Auto Air vent with 15mm pipe connection complete with compression fittings
..
£4.49
Ex Tax: £3.74
Ex Tax: £3.74
When making 10mm TRVs all the major manufacturers simply put a 15mm TRV together with a 15mm x 10mm ..
£0.89
Ex Tax: £0.74
Ex Tax: £0.74
When making 8mm TRVs all the major manufacturers simply put a 15mm TRV together with a 15mm x 8mm re..
£0.96
Ex Tax: £0.80
Ex Tax: £0.80
Coupler for fitting two lengths of 16x2 multi-layer fittings together.
..
£4.78
Ex Tax: £3.98
Ex Tax: £3.98
Coupler for fitting 16x2 multi-layer pipe to 1/2" BSP
..
£3.58
Ex Tax: £2.98
Ex Tax: £2.98
Coupler for fitting a length of 16x2 multi-layer to a length of 15mm copper pipe.
..
£3.58
Ex Tax: £2.98
Ex Tax: £2.98
This is high quality Multi-Layer pipe. Please do not confuse this with low-quality PEX pipe.
20m..
£51.60
Ex Tax: £43.00
Ex Tax: £43.00
Gate type pump valve. 22mm x 1.5"
..
£4.79
Ex Tax: £3.99
Ex Tax: £3.99
For fitting 15mm pipe into 22mm fittings.
..
£2.39
Ex Tax: £1.99
Ex Tax: £1.99
This is high quality Multi-Layer pipe. Please do not confuse this with low-quality PEX pipe.
&nb..
£77.99
Ex Tax: £64.99
Ex Tax: £64.99
Gate type pump valve. 28mm x 1.5"
..
£4.97
Ex Tax: £4.14
Ex Tax: £4.14
Rounding/Chamfer tool ensures a suitable end to a pipe for fittings
..
£6.28
Ex Tax: £5.23
Ex Tax: £5.23
Automatically top up system pressure
Complete with Pressure Gauge, backflow prevention and stra..
£32.20
Ex Tax: £26.83
Ex Tax: £26.83
Replacement 14 inch Immersion heater for Range Albion and Copperform Unvented Cylinders.
Model CE..
£40.80
Ex Tax: £34.00
Ex Tax: £34.00
Bracket for fixing pump.
Rubber cushion reduces noise from vibrations.
Suitable for 22mm or 28mm..
£4.12
Ex Tax: £3.43
Ex Tax: £3.43
Compatible Replacement Powerhead for Honeywell V4073A motorised valves.
Complete with 1m flylead...
£38.69
Ex Tax: £32.24
Ex Tax: £32.24
Adaptor for fitting a head with a M30x1.5mm thread to a Conic (M28x1.5) TRV body.
..
£13.19
Ex Tax: £10.99
Ex Tax: £10.99
Adaptor for fitting a head with a M30x1.5mm thread to a Danfoss RAVL (26mm neck) TRV body. Suitable..
£11.40
Ex Tax: £9.50
Ex Tax: £9.50
Double Male Nipple for use with Eurocone fittings (see related tab)
..
£1.58
Ex Tax: £1.32
Ex Tax: £1.32
Replacement thermostatic insert for FAR manifolds.
..
£11.99
Ex Tax: £9.99
Ex Tax: £9.99
The R24 Filling Loop comprises a DZR combined double check valve and isolating valve with flexible h..
£5.99
Ex Tax: £4.99
Ex Tax: £4.99
Suitable for supplying mains water to closed circuit heating systems.
Comprises of a DZR double c..
£5.99
Ex Tax: £4.99
Ex Tax: £4.99
Fixing Kit for fitting a Expansion Vessel up to 24 Litre to a wall
..
£15.41
Ex Tax: £12.84
Ex Tax: £12.84
Adaptor for fitting a head with a M30x1.5mm thread to a Giacomini TRV body.
Suitable for:
Honeyw..
£14.38
Ex Tax: £11.98
Ex Tax: £11.98
Complete with Cotherm TSR Thermostat
..
£78.00
Ex Tax: £65.00
Ex Tax: £65.00
11" Immersion Heater for Heatrae Sadia Megaflo (old style)
Replaces immersion heaters with white ..
£97.19
Ex Tax: £80.99
Ex Tax: £80.99
Fibre Immersion Heater Gasket
For 2 1/4" immersion heaters only
..
£1.20
Ex Tax: £1.00
Ex Tax: £1.00
IP67 Bathroom Sensor.
Can be used with the TP-One or TP7001 to control the heating..
£35.10
Ex Tax: £29.25
Ex Tax: £29.25
A Pair of Chrome Plated Cross-Top radiator Valves
Compliments any designer radiator. Brilliant Ch..
£16.97 £11.99
Ex Tax: £9.99
Ex Tax: £9.99
* High flow rates - suitable for systems up to 200 sqm.
* Superb temperature control.
* Quick reac..
£47.99
Ex Tax: £39.99
Ex Tax: £39.99
Adaptor for fitting a head with a M30x1.5mm thread to a MMA(M28x1.5) TRV body. Also suitable f..
£12.00
Ex Tax: £10.00
Ex Tax: £10.00
• Large backlit display
• For heating or cooling
• 4 adjustable temperature levels
• 24 hour 5/2 ..
£92.03
Ex Tax: £76.69
Ex Tax: £76.69
Adaptor for fitting a head with a M30x1.5mm thread to a Orkli, Concerto or Wessex (M28x1.0..
£13.19
Ex Tax: £10.99
Ex Tax: £10.99
Pipe Conduit for sleeving underfloor heating pipe up to 19mm in diameter.
50m for the price of 25..
£19.64
Ex Tax: £16.37
Ex Tax: £16.37
Potable Water Shock Arrestor
Mini expansion vessel to reduce water hammer.
0.16 Lt capacity..
£16.78
Ex Tax: £13.98
Ex Tax: £13.98
Proportional thermal actuator 0-10V
0-10V DC
24V AC
Normally Closed
M30x1.5 Thread
..
£49.08
Ex Tax: £40.90
Ex Tax: £40.90
Pump extension for replacing a 180mm pump with a modern 130mm pump.
..
£7.20
Ex Tax: £6.00
Ex Tax: £6.00
Spanner for removing radiator tails and bleed valves
Fits 3/8" and 10mm square section radiator v..
£5.98
Ex Tax: £4.98
Ex Tax: £4.98
Replacement Battery for Danfoss Randall MK8 series including:
811, 851, 852, 841, 842
Please che..
£8.96
Ex Tax: £7.47
Ex Tax: £7.47
Replacement Battery for Honeywell ST699B programmers.
Please check your programmers battery is re..
£10.16
Ex Tax: £8.47
Ex Tax: £8.47
Replacement lockshield cap.
Fits most domestic lockshields.
Will not operate valve.
..
£2.40
Ex Tax: £2.00
Ex Tax: £2.00
Single Gang Pressed Steel Box
35mm Deep
Complies with BS4662
Ideal for flush mounting of:
..
£1.54
Ex Tax: £1.28
Ex Tax: £1.28
Single Gang Surface Mounted Patress Box
45mm Deep
Ideal for use with:
Horstmann E15 Boost Tim..
£2.54
Ex Tax: £2.12
Ex Tax: £2.12
Power Relay (contactor)
Ideal for use with heating systems. For example:
Changing a SMC pro..
£10.37
Ex Tax: £8.64
Ex Tax: £8.64
Removal of dirt from heating systems.
The SpiroTrap MB2 offers a completely universal unit suitab..
£72.00
Ex Tax: £60.00
Ex Tax: £60.00
Watching over large building frontages is its speciality. And it does so with style and elegance. Th..
£72.00
Ex Tax: £60.00
Ex Tax: £60.00
M30x1.5 Thread.
Suitable for use with:
Honeywell HR80 CM Zone radiator controllers.
Pe..
£10.27
Ex Tax: £8.56
Ex Tax: £8.56
Heating Controls Online is rated 4.90 stars by Reviews.co.uk based on 2443 merchant reviews
Advice given before part purchased. Swift delivery. Fair price
Quick and straight forward transaction
I've been dealing with Heating controls Online for a few years now. The prices have always been reasonable and the delivery times good, to my slightly remote location. The last delivery was exceptionally quick. I will be using them again.