Contractor Grade: 3/4" NPT threads allow for straightforward threading into the hot water tank top-port during routine service calls

confirm the infrared receiver on the indoor head is not obstructed and that fresh batteries are installed

or the burner motor running without a spark occurring

When your system requires reliable solenoid coil 120V performance for chillers

Contractors favor the H-701 for its repeatability and straightforward integration into current monitoring sequences without the complexity of diagnostic LEDs

York S1-025-38936-000 Harness 322056-301 Contractor Grade: 3/4" NPT threadsWhen you are troubleshooting compressor solenoid engagement failures or intermittent low pressure trips in York HVAC units, the York S1 025 38936 000 Harness is the OEM replacement part required to restore signal integrity. This heavy duty compressor solenoid harness is engineered to withstand high vibration environments and extreme thermal cycling common in condensing units and rooftop systems. It features robust electrical connectors designed to