Designed for installation on water heating storage vessels to protect against over-temperature or excessive pressure. (Not for steam service)
- CSA Compliance to ANSI Z21.22/CSA 4.4
- Certified to ASME Section IV by National Board.
- Inlet Connection: 3/4" MNPT
- Outlet Connection: 3/4" FNPT
- Pressure Relief Setting: 125 PSI
- ASME Section IV: 500,000 BTU/HR.