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Express delivery for Friday Available Until 4pm Today
UK Mainland Only,
3pm cut-off for Highlands and Islands
12 noon for Europe


 

Express delivery for Friday Available Until 4pm Today
UK Mainland Only,
3pm cut-off for Highlands and Islands
12 noon for Europe


Water Items

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Pressure Relief Valve (Safety Valve) with pressure gauge 3 bar. 1/2 Inch ..
£8.98
Ex Tax: £7.48
Auto Air vent with 15mm pipe connection complete with compression fittings ..
£4.49
Ex Tax: £3.74
This is high quality Multi-Layer pipe. Please do not confuse this with low-quality PEX pipe. 20m..
£51.60
Ex Tax: £43.00
This is high quality Multi-Layer pipe. Please do not confuse this with low-quality PEX pipe. &nb..
£77.99
Ex Tax: £64.99
Self-acting tapstats control domestic hot water temperatures on gravity orpumped primary systems pre..
£145.73
Ex Tax: £121.44
Automatically top up system pressure Complete with Pressure Gauge, backflow prevention and stra..
£32.20
Ex Tax: £26.83
Based on 1 reviews.
Temperature and pressure relief valve. For hydraulic systems to protect the hot water storage. ..
£47.99
Ex Tax: £39.99
Single jet turbine cold water meter 3/4" Euroconus with 15mm copper fittings Vertical or ..
£23.99
Ex Tax: £19.99
Pressure: 0-4 bar Temperature: 0-120°C Ø Casing: 80 mm Fitting: 1/4" M complete with check ..
From £17.78
Ex Tax: £14.82
In accordance with the Building Regulations 2001—Part L1 • Brass Construction • Rated 0.1 to 0.6..
£7.19
Ex Tax: £5.99
Consisting of: • Expansion Vessel • Filling Loop • Safety Valve (Complete with Guage, Mounting Br..
From £55.73
Ex Tax: £46.44
Auto Air vent with 1/2" pipe connection Zytel Plastic constructed to stop dirty water contaminati..
£5.09
Ex Tax: £4.24
The R24 Filling Loop comprises a DZR combined double check valve and isolating valve with flexible h..
£5.99
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
Fixing Kit for fitting a Expansion Vessel up to 24 Litre to a wall ..
£15.41
Ex Tax: £12.84
⅜" Horizontal (Side) Venting Often used in boilers where space to fit is limited...
£6.30
Ex Tax: £5.25
The Automatic Air Vent EA122 is suitable for heating systemsand other hot water systems (not potable..
£13.72
Ex Tax: £11.43
Single jet turbine hot water meter Max 90°C Rotable display for easy readings 3/4" Euroconu..
£23.99
Ex Tax: £19.99
22mm Straight Automatic Bypass Valve.   Max Static Pressure 10 BAR Temperature 11..
£30.18
Ex Tax: £25.15
Pegler thermostatic mixing valve.   TMV3 certified NHS Model Engineering Specificati..
From £33.91
Ex Tax: £33.91
Potable Expansion Vessel Polifunctional sanitary vessels with fixed bladder are designed to be fi..
From £32.71
Ex Tax: £27.26
Potable Water Shock Arrestor Mini expansion vessel to reduce water hammer. 0.16 Lt capacity..
£16.78
Ex Tax: £13.98
Replacement pressure gauge. Replaces most pressure gauges with a 1/4" Back Connection 50mm Dia..
From £6.40
Ex Tax: £5.33
Replacement pressure gauge. Replaces most pressure gauges with a 1/4" Bottom Connection ..
From £6.40
Ex Tax: £5.33
Pressure Reducing Valve with Gauge   Fits either 22mm or 15mm pipe. Maximum Inlet Wo..
£18.23
Ex Tax: £15.19
Temperature and pressure relief valve. For hydraulic systems to protect the hot water storage. ..
£54.00
Ex Tax: £45.00
Roll of PTFE tape 12m x 12mm x 0.075mm Suitable for potable water       ..
£0.30
Ex Tax: £0.25
7 mm internal diameter. 120 mm. length 1/2" M. thread Nickel-plated Suitable for Capillar..
£7.19
Ex Tax: £5.99
22mm Airsep Reduces noise in the system Is widely specified and used by BritishGas Reduces ..
£12.67
Ex Tax: £10.56
22mm Airsep with Cold Feed Reduces noise in the system Is widely specified and used by Britis..
£12.89
Ex Tax: £10.74
28mm Airsep Reduces noise in the system Is widely specified and used by BritishGas Reduces ..
£16.15
Ex Tax: £13.46
The Tower TMV is designed to blend the hot and cold water supplies to a maximum set temperature. Chr..
From £19.19
Ex Tax: £15.99
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Heating Controls Online is rated 4.90 stars by Reviews.co.uk based on 2484 merchant reviews

4.90 / 5 Rating
2484 Reviews
It was easy to find the part I required on the web site and it was delivered promptly after the order was placed. The service was excellent.
Very good service, fast delivery.
Bought an actuator and it was delivered as stated on time. Unit went faulty and was returned with no issues and another replacement sent out. I cannot praise Heating Controls Online enough, for their service, and would recommend anyone to do business with them without a second thought.