Drayton's TRV4 Classic and TRV4 White have achieved the highest A Rating for energy efficiency under the certification scheme of the European Valve Manufacturers' Assocation (tell.eu). In addition they set the standards for design, performance and quality. The range includes Lockshield and Pushfit packs to suit most domestic and commercial heating systems.
Replacement valve for Drayton TRV4
1/2" satinnickel sideangled valve for commercial applications