Markel ET9STS Stat 326010-701 ensuring it stays closed against

ensuring it stays closed against system pump head

This model meets NEC Class 2 "not wet" and Class 3 "wet" requirements

The 1-speed motor is impedance protected and features a 9H terminal box position for versatile wiring in tight spots

What is the maximum supply pressure allowed for this unit

confirming specific system hydraulic requirements with technical staff is recommended

Markel ET9STS Stat 326010-701 ensuring it stays closed againstThe 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