the faucet may be opened and left “on” to a preset temperature

Drums meet UN Rating HM-181 1H2/X57/S

and 1" IPS chrome plated brass stay-open ball valve

center jet

Screw-on mop connection

Watts Cast Iron Safety Relief Valve, FNPT Inlet Type, FNPT Outlet Type - 2 740 Shower Curtains and Rings the faucet may be openedSafety Relief Valve; Body Material: Cast Iron; Inlet Type: FNPT; Outlet Type: FNPT; Inlet Size: 2 in; Outlet Size: 2 1 2 in; Factory Set Pressure: 30 psi; Pressure Range: 30 to 75 psi; BtuH: 5,250,000; Disc Material: Buna N; Overall Height: 11 5 8 in; Application: For Pressure Protection of Hot Water Heating Boilers; Overall Length: 6 3 4 in; Seat Material: Metal; Spring Material: Brass; Temp. Range: 0 Degrees to 250 Degrees F; Test Lever: Yes;