York S1-025-41129-000 Expansion Valve 319825-402 Check the microamp signal at

Check the microamp signal at the flame rod to ensure it meets the minimum threshold specified for this control board

Which McQuay units use the MT2000 controller

auxiliary wiring harnesses or igniters must be sourced separately if they are damaged

Industrial Grade Build: Designed to withstand the high thermal stress and continuous duty cycles of commercial heating systems

Easy Installation: Mounts directly to a standard junction box or wall surface with clear RH and W terminal designations for two-wire setups

York S1-025-41129-000 Expansion Valve 319825-402 Check the microamp signal atA veteran technician knows that a slugged compressor is often the result of a failing or mismatched metering device. The York S1 025 41129 000 Expansion Valve is a 3 Ton TXV specifically engineered for R410A refrigerant systems, delivering high precision superheat control. Featuring 3 8 x 3 8 inch connections and a 30 inch capillary tube, this thermostatic expansion valve handles thermal loads with the accuracy required for high efficiency