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What is the maximum supply pressure allowed for this unit
this differential air pressure switch monitors draft inducer performance to ensure proper combustion airflow before ignition
The 1-speed motor is impedance protected and features a 9H terminal box position for versatile wiring in tight spots
the ECM control module is likely the culprit
Can this switch replace a model with a different WC rating
Markel ET9STS Stat 326010-701 What is the maximum supplyThe Markel ET9STS is a heavy duty line voltage thermostat engineered specifically for high capacity heat only applications. Built with a single pole single throw (SPST) snap action switch, this industrial heating control is rated for 22 Amps at 120 277V resistive loads, making it a reliable choice for direct connection to baseboard heaters, fan forced unit heaters, and radiant heating elements. The bimetal actuator provides a consistent 2 degree
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