the Weil McLain 381-356-578 Transformer is the dedicated OEM replacement for domestic water and hydronic heating controls

this kit provides reliable supplemental heat performance and is optimized for airflow compatibility across several Goodman and Amana cabinet sizes

Always verify the capillary length and temperature range of your existing unit before replacement

This motor is primarily used in commercial and residential unit heaters

Universal Compatibility: Serves as a direct drop-in for Schneider Electric pneumatic actuators including models M572-3055 and 2472-030

Carrier P461-3708 Motor Pulley 318172-701 the Weil McLain 381-356-578 TransformerThe Carrier P461 3708 Motor Pulley is a high grade cast iron sheave designed for precise airflow adjustment and power transmission in commercial and residential HVAC systems. Featuring a 7 8 inch bore (0. 875") and a 4. 25 inch outer diameter, this variable pitch pulley allows technicians to fine tune the drive ratio by adjusting the pitch diameter between 2. 8 inches and 3. 8 inches. This adjustable motor sheave is a critical OEM replacement part for