Water Pressure Relief Valve, 30 Psi
| Protects hot water space heating boilers | Compact construction, produces exceptionally high capacity | Protects boiler installations up to 550,000 Btu/hr at 30 lb. pressure | Tested and rated ASME Section 4 | Stainless steel spring, high heat resisting silicone disc, forged bronze inlet connections | Preset at 30 psi