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hvac / pressure switch
Pressure switches prove the inducer is pulling draft before the igniter fires. Blocked vents or water in the sensing tube stall ignition right at that step.
11results
SD42-24194-82
Supplying Demand 42-24194-82 HVAC Pressure Switch Kit Replaces 42-101233-02, 42-23648-03
$50.65
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SD42-101233-81
Supplying Demand 42-101233-81 HVAC Pressure Switch Kit Replaces 4210123381
$54.58
In Stock
Fast Shipping · Expedited Available
SD42-101955-02
Supplying Demand 42-101955-02 HVAC Pressure Switch
$29.99
In Stock
Fast Shipping · Expedited Available
SD42-105601-20
Supplying Demand 42-105601-20 HVAC Pressure Switch
$24.99
In Stock
Fast Shipping · Expedited Available
SD79-21491-83
Supplying Demand 79-21491-83 HVAC Pressure Switch Hose Silicone Rubber Tubing 3/16 In. X 1-1/2 Ft.
$8.70
In Stock
Fast Shipping · Expedited Available
SD42-102056-06
Supplying Demand 42-102056-06 HVAC Pressure Switch
$47.79
In Stock
Fast Shipping · Expedited Available
SDHK06MB020
Supplying Demand HK06MB020 HVAC Furnace Dual Pressure Switch - Replaces HK06NB020
$75.59
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SD0130F00504
Supplying Demand 0130F00504 HVAC Furnace Pressure Switch Normally Open 0.60"
$24.49
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SD42-24196-85
Supplying Demand 42-24196-85 HVAC Furnace Pressure Switch with Tubing
$56.99
Fast Shipping