Trane TRR1898 Transformer it includes the O-ring for

it includes the O-ring for the bonnet and the moving disc assembly

Capacity varies by refrigerant and evaporating temperature

63" WC STDT pressure switch engineered for critical combustion safety monitoring in York HVAC systems

permanent connections

Trane TRR1898 Transformer it includes the O-ring forThe 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