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essential for tight-tolerance ACR (Air Conditioning and Refrigeration) pipe installs
It is a one-to-one OEM substitute that requires no modification to the wiring harness or mounting plate
closing the electrical contact once the factory-set threshold is reached to allow the ignition sequence to proceed
featuring a specific temperature range of 120-180F
The module is conformal coated to withstand up to 95% relative humidity
McDonnell & Miller 194-7B Controller 30067439-890 essential for tight-tolerance ACR (AirThe McDonnell & Miller 194 7B (Part Number 167200) is a rugged, industrial grade Combination Low Water Cut Off and Pump Controller designed for high pressure steam applications. Built to manage steam boilers with a maximum pressure of 250 psi, this unit utilizes No. 7B proportional control via a built in potentiometer switch. This configuration is essential for modulating feed valves, ensuring precise water level maintenance and preventing dry fire
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