it combines the functionality of a shutoff

The differential is field-adjustable between 35 and 200 psi

What is the thread size for the float rod attachment

the internal bimetal disc is likely defective

and LB-107228C

Conbraco 19-KGGA-15 Valve R-410A it combines the functionality ofThe Conbraco 19 KGGA 15 is a professional grade ASME Section I steam pressure relief valve designed specifically for power boiler applications. Featuring a 1 1 2" MNPT inlet and a 1 1 2" FNPT outlet, this high capacity safety valve is factory set at 15 PSI with a rated discharge capacity of 794 pounds per hour. The Apollo 19 series construction utilizes high strength bronze for the body and brass trim to ensure structural integrity under thermal