Caleffi 3-way zone valve with 1/2 by-pass tee cod. 678040
Three-way zone valve with by-pass tee, complete with U6 nozzle. Connection G 1/2" A (ISO 228-1) M.
Caleffi 3-way zone valve with 3/4 by-pass tee cod. 678050 Three-way zone valve with by-pass tee, complete with U6 nozzle. Connection G 3/4" A (ISO 228-1) M.
Caleffi 3-way zone valve with by-pass tee 1 cod. 678060 Three-way zone valve with by-pass tee, complete with U6 nozzle. Connection G 1" A (ISO 228-1) M.
Caleffi electrothermal control with 230V microswitch cod. 630112 Electrothermal control for zone valve. Normally closed. With manual control and auxiliary microswitch.