For SYLVA and TWIN
FUNCTION Differential discharge valve opens establishing a inlet/outlet by-pass during the...
Female 1/2 x Male 1/2
MF 1/2-1/2 15x21- 3 bars
NBR seal Max. temperature 110° Connection F 1? Calibration 7 bar
Former code R10025055 RÉSIDENCE/FAMILY
NBR seal Max. temperature 110° Connection F 3/4 Calibration 7 bar
Former code R2907 - R1806
Pressure relief valve - 86665533
Pressure head valve kit - 05148300
Pressure relief valve - 87167454050