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

Industrial Durability: Machined from solid bar stock with a leak-proof design rated for pressures up to 1000 psig in brass configurations

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

Efficient Field Troubleshooting: Streamlines the identification of HVAC fault codes and performance anomalies through real-time data access

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

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