AVG Expansion Control Valve 20mm - 700kPa, Lead Free, DR Brass, WaterMark AS1357.1 | ECV20-700-LF Enware Waterless self-closing inline trap that

Waterless self-closing inline trap that replaces a standard U-bend

SKU: AB-KNEEHB-RT

modern finish across a range of premium surface options

suiting 100mm pipe installations

AVG Expansion Control Valve 20mm - 700kPa, Lead Free, DR Brass, WaterMark AS1357.1 | ECV20-700-LF Enware Waterless self-closing inline trap thatThe AVG ECV20 700 LF is a 20mm (3 4") lead free expansion control valve, colour coded black for its 700kPa setting, designed to absorb the pressure increase caused by thermal expansion in a hot water storage system. Fitting an ECV to the cold water inlet prevents hot water discharging from the pressure temperature relief (PTR) valve on every heating cycle protecting the PTR valve, saving energy, and extending the life of the whole system. Both PTR and