Boss™ 15mm Supreme Plus Chrome TRV & Lockshield Pack 442211
- TRV Approval EN215
- Pack mncludes matching lockshield valve that ensures maximum convenience for installer when fitting valves to heat emitters.
- TRV designed for reverse flow conditions that ensures quiet operation when site conditions make it difficult to identify heating flow direction.
- Adjustable temperature range 11oC – 29oC Allows flexibility in setting comfort levels and optimises energy efficiency.