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Durable Seal Design: Graphite-reinforced PTFE seats and EPDM O-rings are specifically optimized for iron-oxide contaminated water systems
hot surface igniter (HSI)
If your inspection reveals damage to the valve seat
Disconnect all power to the furnace or air handler
Tecumseh K90-88 Overload Kit 318973-401 Durable Seal Design: Graphite-reinforced PTFEThe Tecumseh K90 88 Overload Kit is a critical external protection component designed for specific Tecumseh fractional horsepower compressors. This OEM compressor overload functions as a line break safety device, monitoring both thermal rise and current draw to prevent motor burnout during locked rotor conditions or system overloads. Engineering tolerances are strictly calibrated to match the trip curves of compatible refrigeration compressor parts,
