while it is rated for 40A inductive loads (motors/compressors)

Always verify the part number in your technical manual

Universal T-4000 Series Compatibility: Fits all standard horizontal T-4000 series pneumatic thermostats

the K-GM20 is specifically dimensioned for the higher torque profile and housing geometry of the GM series

allowing for precise tracking on hard or soft copper

York S1-373-27803-001 Repair Kit while it is rated forAs a seasoned technician, you know that microchannel leak repairs demand the right chemistry and precision. The York S1 373 27803 001 Condenser Coil Repair Kit is the specific OEM solution engineered for aluminum microchannel coil restoration. This kit bypasses the need for full coil replacements by providing the professional grade materials required to seal punctures and fix corrosion related failures in York HVAC systems. Designed for high pressure