Lennox 13H78 Relay 322838-754 providing the reach and durability

providing the reach and durability needed for tight internal cabinet routings

Can this board be used in two-stage furnace applications

The Heil Quaker ICP 1183618 Terminal Board Kit is a vital OEM replacement part designed for technicians performing maintenance or electrical repairs on ICP and Heil Quaker HVAC units

Built with a heavy-duty extruded aluminum frame and blades

the 62-25338-01 is the official successor and service replacement for the older 62-25337-01 control

Lennox 13H78 Relay 322838-754 providing the reach and durabilityThe Lennox 13H78 Relay is a heavy duty 24V DPDT relay engineered for precise switching control within Lennox heating and cooling systems. Built to handle dual circuit switching, this double pole double throw relay manages various voltage pathways simultaneously, ensuring consistent communication between the thermostat and high voltage components like blower motors or compressors. Operating at a standard 50 60 Hz frequency, the 13H78 is a critical HVAC