Laars Heating Systems 2400-228 Pressure Switch 322838-754 Precise Refrigerant Control: Optimizes R-410A

Precise Refrigerant Control: Optimizes R-410A flow to maintain target superheat and evaporator efficiency

KBN) and A

an open circuit or infinite reading typically indicates a burnt-out solenoid coil

It is intended for duct averaging sensor mounting

It is designed for various Trane/American Standard furnaces

Laars Heating Systems 2400-228 Pressure Switch 322838-754 Precise Refrigerant Control: Optimizes R-410AThe Laars Heating Systems 2400 228 Pressure Switch is a critical safety component designed for precise draft monitoring and combustion air verification in high efficiency hydronic systems. This OEM replacement part, also identified as the Pressure Switch Mark II, is engineered specifically for compatibility with Laars Mark II H Series residential and commercial boilers, including models H, HW, and HP (sizes 60 130). As a normally open switch, it