5601-450 - Henry - Relief 1/2 FPT-1 FPT - 450 - Cast Iron Angle Type or preventative maintenance in residential

or preventative maintenance in residential and light commercial hydronic heating systems

while factory assembly simplifies setup and long‑term service

Suitable for both residential and commercial installations

and refrigeration leaks

5601-450 - Henry - Relief 1/2 FPT-1 FPT - 450 - Cast Iron Angle Type or preventative maintenance in residentialThe Henry 5601 450 Relief Valve is a high performance component designed for use in refrigeration systems to prevent over pressure situations. Here are the key technical details: Type: Cast Iron Angle Type Inlet Connection: 1 2" Female Pipe Thread (FPT) Outlet Connection: 1" Female Pipe Thread (FPT) Pressure Setting: 450 psi Body Material: Ductile Iron Operating Temperature Range: 20F to +160F ( 29C to +71C) Suitable for: Ammonia, HCFC, and HFC