The Reliance Thermoguard Mixing Valve Unit is a premium solution for precisely blending and regulating water temperatures in underfloor heating (UFH) systems. Designed as a direct replacement for the discontinued Thermomix, this updated model (HEAT970366) brings enhanced performance, flexibility, and space-saving features to your heating setup.

With 3/4" female flow and return connections, it ensures wide compatibility with existing plumbing systems and is engineered for reliable, long-term performance.

• Exceptional Temperature Stability: Ensures stable and consistent output—even when return and mixed water temperatures are closely aligned—resulting in smooth and comfortable heating.
• Flexible Installation Options: Can be configured for left or right-hand installation onto manifolds, offering maximum versatility for different plumbing layouts.
• Low Temperature Functionality: Operates at temperatures as low as 25°C, supporting safe system warm-up and commissioning.
• Compact, Slimline Design: Features a reduced side profile for easy fitting inside cabinets or cupboards, ideal for space-conscious installations.
• Wide Adjustable Temperature Range: Allows blending from 25°C to 60°C, suitable for a range of floor constructions and heating requirements.

• Hot Water Supply Temperature Range: 60°C – 85°C
• Adjustable Mixed Water Temperature Range: 25°C – 60°C
• Factory Set Temperature: 45°C ± 2°C
• Temperature Stability: ± 2°C
• Maximum Supply Pressure: 6 bar
• Connections:
  -Mixing valve inlets: 3/4" FBSP
  -Manifold connections: 1" MBSP

Whether you're installing a new UFH system or upgrading from an older unit, the Reliance Thermoguard Mixing Valve delivers dependable performance, precise control, and a user-friendly installation experience—perfect for both residential and commercial heating applications.