Heatguard® BF2-2 Sports Thermostatic Mixing Valves

A high performance TMV2 approved Thermostatic Mixing Valve (TMV), the Heatguard BF2-2 Sports has been specifically designed for high flow bath fill when fitted on low pressure domestic systems.

Fully approved by Buildcert to the TMV2 scheme for thermostatic mixing valves in domestic properties and provides precise and stable temperature control if either hot or cold supply fails.

The 2in1 fitting has single check valves fitted to its inlets to prevent crossflow and disc type stainless steel strainers fitted in front of the check cartridges to protect them from damage by system contamination. the 4in1 fitting has specially constructed inlet fittings incorporating isolation, filtration and a test point for temperature and pressure.

wras certified


The Thermostatic Mixing Valve (TMV) must be TMV2 accredited, WRAS approved and comply with BSEN 1111, BSEN 1287 and Part G3 of UK building regulations. In addition, the TMV must provide 85 lpm flow at 2.5bar pressure loss. The seals must be Viton and the internal components must be scale resistant. The water inlets must have isolation ball valves, integral strainers and check valves with gauge and flushing points. Compression style connections with integrated flat faced unions on all connections.

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