Switch power reliably with this genuine OEM relay, part number 99K27, made for select Lennox Packaged Unit/RTU, Heat Pump, or Air Handler.
Grid is 1 inch square
Lennox Relay 99K27
Manufacturer Part

Lennox Relay 99K27

Genuine OEM Part # 99K27RC Item # 2727657Alternative Part Number(s)
Manufacturer Part
Switch power reliably with this genuine OEM relay, part number 99K27, made for select Lennox Packaged Unit/RTU, Heat Pump, or Air Handler.
Grid is 1 inch square
Lennox Relay 99K27
$66.04
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Switch power reliably with this genuine OEM relay, part number 99K27, made for select Lennox Packaged Unit/RTU, Heat Pump, or Air Handler.
Loading stock status
$66.04
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This part 99K27 is compatible with:

Product Type:
Air Handler, Heat Pump, Packaged Unit/RTU
Brands:
Lennox

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Relay Customer Reviews

Common Problems Fixed by the Relay

Based on customer reports and repair data, this part commonly fixes these issues:

Likely

Air handler not heating

Likely

Heat pump won't turn off

Possible

Air handler blower not running/not turning on

Possible

Heat pump not heating

Possible

Heat pump won't turn on

Possible

Heat pump compressor won't run

About the Relay

A relay is used to control various air handler components. If the relay is defective, the compressor, fan motor, or other components may not function.

Alternative Part Number(s)

Replaces Part Number 43H0901
Replaces Part Number 53J4501
Replaces Part Number 99K2701
Replaces Part Number 43H09
Replaces Part Number 53J45