Conbraco 17-402-04 Cast Bronze Relief Valve with 3/4" MNPT inlet X 3/4" FNPT outlet connection size. The valve is certified to ASME Section IV for hot water heating and supply boilers and storage tanks with a set pressure of 150 PSIG. Also, it is CSA certified to ANSI Z21.22 Pressure settings 75 through 150 psi @ 250˚F max.
The Conbraco Apollo 17-400 Series pressure only relief valves are designed to reduced pressure in times of pressure build-up caused by thermal expansion. These valve provides protection to hot water boilers and prevents thermal expansion buildup in plumbing systems, tank applications or tankless water heaters. Features durable soft seats, cast bronze body, and springs made of stainless steel. 17-400 Series conforms to HUD / FHA requirements.
| CSA Capacity Rating | 200,000 |
|---|---|
| Inlet Connection Size | 3/4" |
| ASME Capacity Rating | 934,000 BTU/HR |
| Set Pressure | 150 PSIG |
| Body Material | Cast Bronze |
| Spring Material | Stainless Steel |
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