United Brass Works (198259) Spring Check Valve - 50T - 1/2”United Brass Works (198259) Spring Check Valve 50T 1 2 1 2 spring check valve. Spring check valves are placed on return line after steam trap. It prevents back flow of water into steam trap. It is spring loaded which makes sure the valve has closed. It provides a more positive seat then swing check. It is good on pump to boiler line where syphoning may be present. A Teflon disc is included. Available in a variety of sizes. All sizes have 200 WSP. Part

Optional features BSPT threads

Thermolec B-23

Female sweat

or low water cut-off control

We guarantee the tank and elements for a period of 10 years

Class 300 * ANSI B 16

of Power supplies (amps per breaker): 1 x 60A

double break switch provided for low water cut-off or alarm actuation

Prevents over- and under-heating

of Power supplies (amps per breaker): 1 x 50A

The load management control works with dual energy systems where the electric utility company will control whether you heat with electricity or an alternate source such as oil or gas and offer a reduced rate as a result

3/4” spring check valve