Caleffi 519 22mm Bypass Valve
22mm Comp - Series 519 Ecopas Full Flow Differential Bypass Valve
(British Gas Approved) - 519002GLW
Differential bypass valve for use on heating systems where control is by zone or thermostatic radiator valves
Fitted between flow and return permitting circulation through boiler and helps prevent unnecessary cycling of boiler
Independently tested t meet British Gas specifications
Compression joints for use on copper pipes
Used in a system with variable flow rates
Simple to install, with only two joints to fix
Can be fitted in any orientation
22mm compression x compression connections
WRAS Approved product
