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PRESSURE SWITCHES
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Supco SRL350 - Thermostat Manual Reset SPST Rollout Limit Switch 350F
Patricks Heating and Cooling Supply 
Fast shipping and great customer service Supco SRL350 - Thermostat Manual Reset SPST Rollout Limit Switch 350F

The SRL series of 1/2" bimetal temperature controls offers proven reliability in a compact, versatile, cost-effective design.

Our Price: $5.25
Supco 2374-498 Differential Air Pressure Switch (1.0" - 4.0" WC) RSS498013
Patricks Heating and Cooling Supply 
Great Customer Service and Fast Shipping Supco 2374-498 Differential Air Pressure Switch (1.0" - 4.0" WC) RSS498013

Adjustable air pressure sensing switch kits ideal for residential and light commercial furnace, electric air cleaner and humidifier applications.

Our Price: $15.90
Supco NS2000031 Universal Air Pressure Switch .10" to 10" WC 
Patricks Heating and Cooling Supply 
Great Customer Service and Fast Shipping Supco NS2000031 Universal Air Pressure Switch .10" to 10" WC

Universal small footprint air pressure sensing switch that replaces hundreds of small footprint air switches.

Our Price: $15.99
SPDT Differential Air Pressure Switch (.25" - 1.0" WC) SPDT Differential Air Pressure Switch (.25" - 1.0" WC)

The new 2374 Series Adjustable Air Sensing Switches are designed to replace a wide variety of air-sensing switches found in residential and light commercial applications including - furnaces, electronic air cleaners and humidifiers. Two models are currently available with an adjustable range of .2" W.C. to 1.0" W.C. or 1.0" W.C. to 4.0" W.C. Both models are provided with an SPDT switch that can be actuated by positive or negative pressure, or by pressure differential. Highly accurate, these switches are practically insensitive to temperature change with an operating temperature range of ?40°F to 190°F (?40° to 88°C). They are U.L. and C.S.A. approved for aftermarket applications. Each switch is provided with mounting hardware and an adjustment tool for easy installation and calibration

Our Price: $30.35