Schneider Electric (Square D) LRD21 Overload Relay 318172-701 always verify your furnace’s wiring

always verify your furnace’s wiring diagram to confirm if your model utilizes a separate primary integrated ignition control

or warping that causes the blower wheel to scrape against the assembly sides

Durable 5/8" ODF connections ensure leak-free integration with copper line sets

ensuring a ripple-free power supply

the Lennox 63A06 and 63A0601 capacitor are technically identical in capacitance (176-216 MFD)

Schneider Electric (Square D) LRD21 Overload Relay 318172-701 always verify your furnace’s wiringThe Schneider Electric Square D LRD21 Thermal Overload Relay is designed to provide reliable motor protection for three phase motor control applications. Part of the TeSys Deca motor control range, this 12 18A overload relay features a Class 10A tripping characteristic and is engineered to help protect motors against overload conditions and phase failure. Designed for direct mounting with compatible TeSys D contactors including LC1D18, LC1D25, LC1D32,