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Lennox 73W20 Limit Switch 175°F

Lennox 73W20 Limit Switch 175°F

Lennox

$46.95

In Stock — 10+ available

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SKU:
73W20
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Ships same or next business day · UPS Ground or comparable carrier, typically 1–5 business days.

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Specifications

Product Type:
Limit Switch
Subcategory:
High-Limit (Thermal)
Application:
Residential
System Type:
Furnace, Air Handler
Installation Type:
OEM Replacement
Mounting Type:
Stilt Mount
Setpoint Range:
145–175°F
Fuel Type:
Natural Gas
Control Type:
Non-Programmable
Switch Action:
SPST-NC
OEM replacement limit switch for Lennox residential furnaces and HVAC systems. Opens electrical circuit at 175°F to prevent heat exchanger overheating; automatically resets at 145°F. Direct replacement for legacy part 102857-07. Compatible with Lennox, Allied Air, Armstrong, Concord, and Ducane equipment.
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