While they share the same base series

Always check for a free-spinning blower wheel and clean filters during installation

Internal Heat Dissipation: Constructed with high-grade insulation to prevent internal arcing and coil failure under high-duty cycles

Enhanced Safety: Manages high-limit resets and gas pressure proving switches for secure appliance operation

providing 1/4 HP at a rated speed of 1075 RPM

MARS 19164 Potential Relay 323613-751 While they share the sameThe MARS 19164 is a standard service HVAC potential relay designed specifically for single phase compressor motors requiring precise start capacitor disconnection. As a professional grade Model 164 relay, it features a pick up voltage range of 245 275V and a drop out voltage of 60 140V, ensuring reliable starting torque in high demand refrigeration and air conditioning applications. Rated for 420V hold voltage and 35 amp contact current, this