Resideo AT87A1049 Transformer 326058-758 Aerodynamic Efficiency: The 4-blade design

Aerodynamic Efficiency: The 4-blade design balances noise reduction with high-volume air displacement

ensuring safe and efficient venting cycles

Direct Acting Design: Ensures reliable opening and closing even at 0 PSI

Designed for the rigors of mechanical rooms

Is the 51M8701 the same as the 51M87

Resideo AT87A1049 Transformer 326058-758 Aerodynamic Efficiency: The 4-blade designThe Resideo AT87A1049 Transformer is a heavy duty 48VA HVAC control transformer designed to provide reliable 120V to 24 volt power conversion for demanding residential and commercial climate control systems. Built with a NEMA Type E rating, this foot mounted transformer is engineered to power 24V air conditioning circuits, solenoid valves, and relays while meeting strict NEC Class 2 and UL 1585 requirements. With a primary voltage of 120 Vac and a