Reznor 195656 Wiring Harness 320819-301 the thermostat or system switch

the thermostat or system switch must be opened for a minimum of 10 seconds to cycle the internal logic

The 007413F is the standard commercial boiler part specified for Raypak 302B and 402B series pool and spa heaters

Its straight-through flow design minimizes pressure drop

including ignition

This 44-lb unit features 3/8” suction and 1/4” discharge sweat stubs

Reznor 195656 Wiring Harness 320819-301 the thermostat or system switchThe Reznor 195656 Wiring Harness is a critical electrical component designed specifically for interfacing with Reznor unit heater controls. This 5 pin wiring harness ensures a secure and low resistance connection between the primary ignition control board and peripheral components, maintaining the integrity of the 24V control circuit. Engineered to withstand the thermal stressors common in HVAC unit heater cabinets, the 195656 utilizes high grade