and function for applicable models

This OEM-spec M&M 304100 is fully compatible with the McDonnell & Miller Series 221

and GSC130 series furnaces

If the switch continues to trip

32007205-004 is identical to 32007205-004/U

Trane TRR1898 Transformer and function for applicable modelsThe Trane TRR1898 Transformer is a heavy duty 208 230V to 24V step down transformer designed for critical HVAC control circuit applications. Built to handle a 50VA power rating, this component ensures stable low voltage power delivery to thermostats, contactors, and integrated circuit boards across a wide range of residential and commercial equipment. The TRR1898 is specifically engineered for high demand environments, maintaining precise secondary