Lennox 79J73 Control Limit 321894-709 MKC-2 Compatibility: Direct replacement for

MKC-2 Compatibility: Direct replacement for MKC-2 and older KC-2 series coils

this modulation valve is specifically for Digital Scroll models that have the mechanical porting required for unloading the scroll sets

If your existing residential zone damper shows signs of mechanical failure or slow response

this device operates on a fixed temperature differential

This multi-stage heat sequencer manages the precise activation of 12kW to 15kW heating elements

Lennox 79J73 Control Limit 321894-709 MKC-2 Compatibility: Direct replacement forWorking with high static environments or Lennox rooftop units requires a manual reset limit switch you can depend on. The Lennox 79J73 Control Limit is a critical safety component designed to monitor discharge air or internal heat exchanger temperatures. When temperatures exceed the calibrated threshold, this high temperature limit switch breaks the 24V control circuit, immediately shutting down the burners or heating elements to prevent catastrophic