Watts 0275174 Relief Valve Els PW 17895 all of which indicate a

all of which indicate a restricted or failing York expansion valve

Persistent failure usually indicates a short circuit on the secondary side

the 401617 filter drier prevents premature failure of expansion valves and protects the new compressor from residual contaminants

Can this gas valve be used for LP conversions

Which refrigerants is this body compatible with

Watts 0275174 Relief Valve Els PW 17895 all of which indicate aFor high capacity pressure protection in commercial and residential hydronic systems, the Watts 0275174 Series 174A provides a critical safety boundary for hot water heating boilers. This 1 inch NPT pressure relief valve is engineered with a rugged bronze body construction and is factory calibrated to a 75 PSI set pressure, delivering a substantial steam discharge capacity of 2,055,000 BTU hr. Its internal stainless steel spring and non metallic disc