MAMAC Systems PR-274-R3-VDC Low Pressure Sensor Els PW 17895 The switch will actuate when

The switch will actuate when the difference between these two points exceeds the set point

When replacing an existing gas furnace ignition module

Can I use a higher-rated switch if this one isn't in stock

What is the difference between the 14004904-006 and the 14004904-006/U

MAMAC Systems PR-274-R3-VDC Low Pressure Sensor Els PW 17895 The switch will actuate whenThe MAMAC Systems PR 274 R3 VDC is a high precision low differential pressure transmitter engineered for critical air monitoring in HVAC and building automation systems. Utilizing an ultra stable glass on silicon capacitive sensing element, this unit maintains exceptional long term calibration stability and resistance to drift, even in high vibration environments. For maximum field flexibility, it features six field selectable pressure ranges