SPDT Differential Air Pressure Switch 1.0" - 4.0" WC. These 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. 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 calibrationCLEVELAND CONTROLS RSS498-038 Exact,
CLEVELAND CONTROLS RSS-498-13 Exact,
UNI-LINE 12534 Exact Uni-Line UPC number. Number may appear preceded by Uni-Line's vendor i.d. number, 662013.ex. 66201312345.,
UNI-LINE 66201312534 Functional,
UNI-LINE RSS-498 Functional
