Check the manufacturer's orifice and spring specifications before field conversion

the float is calibrated for water or liquids with a similar density

What causes this pressure switch to fail

the 10-616 series is specifically rated for hot water heating boilers and is not intended for steam service

meaning the circuit opens when the temperature exceeds the set point

Raypak 006511F VALVE R-410A Check the manufacturer's orifice andThe Raypak 006511F MOD Valve is a critical OEM replacement part engineered for high precision fuel regulation in residential, commercial, and industrial hydronic systems. This modulating gas valve features a 1 inch NPT inlet and outlet, designed to handle a 10. 8" W. C. pressure rating. Operating on a standard 24V AC DC power supply, it utilizes a brass body and stainless steel seat construction to ensure long term durability in demanding boiler