What is the difference between the RV53-1 and RV53-1-CSA

with a pick-up range of 215 to 225 volts and a maximum drop-out of 120 volts

providing a wide range of replacement capability at 1075 RPM

failure to energize the hot surface igniter

Heavy-Duty Construction: Built to withstand commercial static pressures and temperature fluctuations within the centrifugal blower housing

Nidec-US Motors 5532ET Motor 321894-706 What is the difference betweenThe Nidec US Motors 5532ET is a high efficiency RESCUE EcoTech ECM motor designed as a drop in replacement for standard PSC direct drive blower motors in residential and commercial furnaces or air handlers. Operating on a dual voltage range of 115 208 230Vac, this 1 2 1 4 HP unit provides significant energy savings by utilizing electronically commutated motor technology. Designed with a 48Y NEMA frame size and an Open Air Over (OAO) enclosure, it is