including C6437501 and PSE-AM2

Replacing a chattering or fused relay with this genuine HVAC motor starter restores system efficiency and prevents premature compressor failure

For field calibration and performance tuning

ensuring responsive performance during load fluctuations in legacy system service and repair

This replacement furnace part is vital for technicians addressing furnace service needs or troubleshooting draft-related failures in Goodman and Amana furnaces

Maxitrol R9110-13 Brown Spring 321042-401 including C6437501 and PSE-AM2The Maxitrol R9110 13 Brown Spring is an OEM spec pressure adjustment component engineered for precise outlet pressure calibration within Maxitrol RV91 and 210E Series gas regulators. Designed for low pressure applications, this 4 inch brown coded spring supports an adjustable outlet pressure range of 1. 0" to 3. 5" W. C. (Water Column), ensuring the poppet or balanced valve assembly maintains consistent delivery to downstream burners. For technicians