Collection: Valves
Valves – Heating & Hot Water System Components
Valves play a critical role in the safe operation, control and maintenance of heating and hot water systems. From protecting systems against excessive pressure to regulating flow, temperature and circulation, selecting the correct valve type is essential for reliability, compliance and long-term performance.
At Heatraq, our valves range covers domestic, commercial and managed building applications. Each category is organised by function, making it easier to identify the correct component for installation, maintenance or replacement. All valves are sourced from trusted manufacturers and selected to meet UK safety and performance expectations.
Browse Valves by Function
Use the links below to quickly find the correct valve type for your system:
- Safety & Relief Valves – Protect systems from excessive pressure or temperature
- Water Control & Regulation Valves – Manage incoming pressure and inlet conditions
- Mixing & Temperature Control Valves – Deliver safe, controlled outlet temperatures
- Isolation & Service Valves – Allow safe maintenance, draining and refilling
- Motorised & Actuated Valves – Enable automated flow control
- System & Auxiliary Valves – Support circulation, balancing and water level control
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Heatrae Sadia 7033371 10-Bar Temperature & Pressure Valve
Regular price £327.00 GBPRegular priceSale price £327.00 GBP -
Heatrae Sadia 7034184 Solenoid Valve
Regular price £40.69 GBPRegular priceSale price £40.69 GBP -
Heatrae Sadia 95970352 Multipoint Pack U1 Pressure Reducing Kit
Regular price £183.00 GBPRegular priceSale price £183.00 GBP -
Heatrae Sadia 95605817 Megaflo Cold Water Combination Valve Kit
Regular price £318.01 GBPRegular priceSale price £318.01 GBP -
Heatrae Sadia 95605810 10-Bar Temperature/Pressure Relief Megaflo
Regular price £101.19 GBPRegular priceSale price £101.19 GBP -
Heatrae Sadia 7034468 Coldwater Complete Combination Valve
Regular price £174.18 GBPRegular priceSale price £174.18 GBP -
Heatrae Sadia 95605029 Cold Water Combination Valve
Regular price £105.64 GBPRegular priceSale price £105.64 GBP -
Heatrae Sadia 7036520 Cold Water Combination Valve
Regular price £155.19 GBPRegular priceSale price £155.19 GBP -
Heatrae Sadia 95605036 Pressure Relief Valve
Regular price £29.28 GBPRegular priceSale price £29.28 GBP -
Heatrae Sadia 7032842 Circulating Pump Grundfos UPM3 Auto
Regular price £313.36 GBPRegular priceSale price £313.36 GBP -
Heatrae Sadia 7036062 Expansion Valve 6 Bar
Regular price £69.09 GBPRegular priceSale price £69.09 GBP -
Heatrae Sadia 95605444 Express Water Heater On Off Control Valve
Regular price £62.84 GBPRegular priceSale price £62.84 GBP -
Heatrae Sadia 5136204 M/M Red Handle Isolation Valve 3/4 BSP
Regular price £28.79 GBPRegular priceSale price £28.79 GBP -
Heatrae Sadia 95970359 Pack U6 Temperature Pressure Relief Valve
Regular price £51.08 GBPRegular priceSale price £51.08 GBP -
Heatrae Sadia 95605439 Streamline Valve On/Off Control
Regular price £99.16 GBPRegular priceSale price £99.16 GBP -
Heatrae Sadia 95605877 Supreme Solenoid Valve Assembly
Regular price £64.17 GBPRegular priceSale price £64.17 GBP
Heating & Hot Water Systems Valves – FAQ
What types of valves are used in heating and hot water systems?
Common valves include pressure relief valves, isolation valves, mixing valves, and safety valves, all essential for system control and protection.
How do I know which valve I need to replace?
Identify the valve type, pressure rating, and connection size. Matching the original valve specification or part number is recommended.
Why are pressure relief valves important?
Pressure relief valves protect heating and hot water systems by releasing excess pressure, helping to prevent system damage or failure.
Do you supply valves for commercial systems?
Yes, we stock valves suitable for domestic and commercial heating and hot water systems, including high-pressure applications.
Can a faulty valve affect system performance?
Yes, a faulty or worn valve can cause pressure issues, leaks, or reduced system efficiency and should be replaced promptly.