Lennox 43H88 Relay For runs up to the

For runs up to the 300-foot limit

How do I maintain this component

Directly replaces legacy part number 151886 for streamlined inventory and service calls

or an audible humming from the compressor indicating a failure to initiate the start winding

Key Benefits Modular Serviceability: Allows for quick orifice replacement to match system load changes without de-brazing the main valve body

Lennox 43H88 Relay For runs up to theThe Lennox 43H88 Blower Relay is a heavy duty 3PDT (Three Pole Double Throw) electromagnetic switch engineered for precise load management in commercial and residential HVAC systems. Operating on a 24V coil voltage, this inductive rated relay is a direct replacement for the legacy Lennox 43H8801, ensuring a 1: 1 fit for technicians servicing Lennox packaged units and heat pumps. With a 15 Amp contact rating, the 43H88 provides the switching capacity