WATTS M15 RELIEF VALVE STD.Z21.22
WATTS M15 RELIEF VALVE STD.Z21.22 M15 STD. Z21.22 WATTS EXT. 3/4 IN. 40XL 8 SET 100 PSI 210°F MAX. HTR. INPUT TEMP. ST’M. & THERM. EXP. WTR. B.T.U./HR. RATING 205,000 C CANADIAN REGISTRATION NO. OG7543.5C PRESS. STEAM. B.T.U./HR. 998, 000 PN3-RV057 SET PSI 100 AUTOMATIC RESEATING …