Resideo R24AA3004 Heat Sequencer 322838-752 common in most Lennox electric

common in most Lennox electric heat applications

stem height and thread pitch must be verified for total compatibility

and gas valves without the need for field modifications that compromise system integrity

Where should the discharge air sensor be installed

Resideo R24AA3004 Heat Sequencer 322838-752 common in most Lennox electricThe Resideo R24AA3004 Heat Sequencer is a field proven solution for staging electric heating elements in furnaces and heat pump applications. This single switch, solid state PTC (Positive Temperature Coefficient) heater provides precise control over the timing of heating banks to prevent circuit overload and ensure consistent discharge air temperatures. Operating on a 24Vac input voltage, this sequencer features a calibrated 30 90 second on timing