Lennox 12W53 Furnace Air Pressure Switch, Dual Stage, -1.52″ W.C. / -0.55″ W.C.
SKU: 12W53
$155.12Description
- The genuine OEM Lennox 12W53 Furnace Air Pressure Switch is a critical dual-stage safety component engineered to continually monitor draft inducer motor suction performance inside high-efficiency condensing gas heating systems.
- Factory-calibrated to high-accuracy thresholds of -1.52" W.C. and -0.55" W.C., this multi-port differential switch safely verifies that the venting system is running at the precise vacuum pressure required to safely exhaust combustion flue gases before authorizing the main gas valve to ignite.
- Equipped with three specialized hose ports and premium 1/4-inch electrical spade connectors, this authentic Lennox replacement part resolves persistent flame-retrial errors, eliminates pressure switch lockouts, and preserves the active manufacturer warranty on compatible Lennox, Armstrong, and Allied furnaces.
Specifications
Manufacturer / Brand
Lennox
Manufacturer Part Number / SKU
12W53
UPC
662551528643
ASIN
B00QW2SHLI
Product Line / Series
OEM Replacement Furnace Safety Controls
Item Net Weight
113 grams (approx. 0.25 lbs)
Physical Assembly Footprint
3.75" Length x 2.75" Width x 3.50" Height
Switch Design Configuration
Dual-Stage Differential Air Pressure Safety Switch
Electrical Contact Configuration
Normally Open (N.O.) SPST micro-switches
Direct Furnace Model Matching
Fits popular premium heating units including models: EL296UH070XE36B, EL296UH090XE48C, EL296DF070XE36B, and various SL280 / 95AF families.
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