Heatguard Dual Thermostatic Mixing Valves - TMV2 & TMV3

TMV2 & TMV3 and WRAS Approved Thermostatic Mixing Valves

Reliance Water Control’s Heatguard Dual is a thermostatic mixing valve approved for both the TMV2 and TMV3 schemes making this valve suitable for healthcare, domestic and commercial/general public use.

Heatguard Dual Thermostatic Mixing Valve - TMV2 ApprovedHeatguard Dual Thermostatic Mixing Valve - TMV3 ApprovedHeatguard Dual Thermostatic Mixing Valve - WRAS Approved

The Heatguard Dual thermostatic mixing valve complies with the NHS MES D08 as well as BS EN 1111 and BS 7942 regulations and is WRAS approved.

Heatguard Dual 4-in-1 Thermostatic Mixing Valve

The Heatguard Dual range provides high performance accurate temperature control and rapid failsafe on either hot or cold water supply failure.

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The Heatguard Dual thermostatic mixing valve comes with either 2-in-1 fittings which include check valves and strainers or 4-in-1 fittings which also include isolators and test ports.

Heatguard Dual 2-in-1 Thermostatic Mixing Valve

Heatguard Dual Thermostatic Mixing Valves Product Range
Part Ref Description Dimensions
A B C D E F
Heat 110 616 15mm Heatguard Dual 4-in-1 205mm 121mm 54mm 72mm 134mm 40mm
Heat 110 625 22mm Heatguard Dual 4-in-1 205mm 123mm 54mm 72mm 134mm 40mm
Heat 110 617 15/22mm Universal Heatguard Dual 4-in-1 205mm 123mm 54mm 72mm 134mm 40mm
Heat 110 614 15mm Heatguard Dual 2-in-1 130mm 121mm 54mm 72mm 40mm N/A
Heat 110 624 22mm Heatguard Dual 2-in-1 151mm 123mm 54mm 72mm 40mm N/A
Heat 110 615 15/22mm Universal Heatguard Dual 2-in-1 151mm 123mm 54mm 72mm 40mm N/A

Heatguard Dual Thermostatic Mixing Valve - 15mm Valve Dimensions

Heatguard Dual Thermostatic Mixing Valve - 22mm Valve Dimensions

Heatguard Dual Thermostatic Mixing Valve Flowrate Graph

Heatguard Dual Thermostatic Mixing Valves Technical Specification
Body Material DZR Brass, nickel plated
Internal Components DZR Brass
Seals Vitron
Spring & Strainers Stainless Steel
Piston Udel
Factory Set Temperature 38ºC
Temperature Setting Range 38-46ºC
Hot Supply Temperature 52-65ºC
Cold Supply Temperature 5-20ºC
Minimum Temperature Differential 10ºC Minimum
Nominal Temperature Stability +/- 2ºC
Static Pressure 16 bar max
Operating Pressure 0.1 to 6.0 bar
Minimum Flow Rate 4L per minute
Maximum Pressure Loss Ratio

10:1 (Either Supply)

Note - Optimum performance acheived with equal pressure

Heatguard Dual Thermostatic Mixing Valve Typical Installation

Heatguard Dual Thermostatic Mixing Valve Typical Installation

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Heatguard Dual Thermostatic Mixing Valves - TMV2 & TMV3
Heatguard Dual Thermostatic Mixing Valves - TMV2 & TMV3

Heat Tracing - Thorne & Derrick