Laars Heating Systems E2334701 Pressure Switch 318423-701 If the reversing valve is

If the reversing valve is not shifting and you have confirmed 24VAC at the coil

replacing the CKT 2 compressor lead is best practice to eliminate potential impedance issues and ensure the system operates within factory specifications

leading to excessive heat buildup

interface correctly with the integrated ignition board without requiring field modifications

Streamlined Commissioning: Essential for setting critical parameters including refrigerant type

Laars Heating Systems E2334701 Pressure Switch 318423-701 If the reversing valve isThe Laars Heating Systems E2334701 Pressure Switch is a critical safety component designed for high performance hydronic boiler and HVAC applications. This single pole double throw (SPDT) switch provides versatile circuit control, allowing for seamless integration into boiler safety chain sequences to monitor and regulate system pressure. Engineered for industrial grade reliability, it effectively manages 120 277v electrical systems, ensuring that