Field Controls 46257100 Relief Valve Els PW 17895 Does this replace the 146039

Does this replace the 146039 control board

and various tonnage wall-mount series units

As an OEM component for most Carrier platforms

preventing false low-water readings caused by air pockets in the tapping

ensuring secure electrical contact and simplified installation

Field Controls 46257100 Relief Valve Els PW 17895 Does this replace the 146039Commercial HVAC contractors and boiler technicians understand the critical role of a 4" Vacuum Relief Valve in maintaining atmospheric balance within pressurized systems. The Field Controls 46257100 is an industry standard component engineered to prevent tank collapse and structural damage by automatically venting vacuum conditions. Designed specifically for integration with power venting systems and large scale water heating equipment, this cast iron