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you know that 10k ohm thermistor calibration is standard for these units
this HVAC sequencer maintains system stability by staggering electrical loads
providing stable current flow for igniters
a 2-pole model is necessary
Common causes include loose terminal connections leading to arcing
Utica-Dunkirk 240007140 Pressure Switch 323055-751 you know that 10k ohmThe Utica Dunkirk 240007140 Pressure Switch is a critical safety component designed for high efficiency gas fired boilers and furnaces. Precision calibrated to a . 14"wc set point, this Normally Open (N O) diaphragm switch ensures proper draft and venting before allowing the ignition sequence to proceed. As an OEM replacement part, it offers a direct fit for Utica and Dunkirk hydronic systems, maintaining the narrow pressure tolerances required for