the 200RB series can be converted to bi-directional flow using the KS30293 internal parts kit

Daikin-McQuay 034914500 1HP 208/230V 1PH VarSpd Motor

While newer Watts 740 series units often include a SentryPlus Alert sensor

The York S1-025-20709-000 Pressure Switch is a factory-calibrated OEM high-pressure limit designed for precise refrigerant circuit monitoring in York

Heil Quaker ICP 1171475 Limit 323613-751 the 200RB series can beThe Heil Quaker ICP 1171475 Limit Switch is a critical safety component engineered for precision thermal monitoring in ICP residential furnaces and HVAC systems. This fixed temperature limit control is calibrated to an open temperature of 140? F with a 30? F differential, ensuring the heat exchanger does not exceed safe operating parameters. Designed as a direct replacement part for Heil Quaker, Comfortmaker, and Tempstar units, this switch features a