Introducing the 22mm Heatguard a premium high-flow thermostatic mixing valve designed for optimal temperature control in water underfloor heating systems. This essential component expertly blends cooler water from the systems return with hotter water from your heating source, ensuring the perfect temperature range of 3565°C is delivered to your underfloor pipework. Operating efficiently at lower temperaturestypically between 35°C and 60°C, depending on your floor construction and building specificationsthe Heatguard promises reliable performance and comfort. Enhance your underfloor heating experience with the 22mm Heatguard, the heart of your heating system.
Technical Data:
- O-Rings: Viton
- Body: Gunmetal
- Spring: Stainless steel
- Piston: Acudel
- Machined brass parts: DZR brass
- Hot temperature supply range: 60°C 85°C
- Adjustable temperature range: 35°C 60°C
- Maximum supply pressure: 10 bar
- Factory set temperature range: 45°C /- 2°C
- Temperature stability: /- 2°C
- Connections: 22mm
Feature and Benefits
- High flow rates, suitable for systems up to 250sqm
- Superb temperature control
- Quick reaction to supply temperature changes
- User adjustable between 25°C to 60°C
- Compression type connections for ease of installation
- Lockable temperature adjustment mechanism


