This genuine OEM replacement part (also identified as 103047-02) provides an essential 30-minute delay-on-break (DOB) function

By utilizing a 1/4" National Pipe Thread (NPTE) inlet and a 1/4" Flare (FLR) outlet

this model features an adjustable switch point

Field-serviceable design reduces downtime compared to complete valve replacement

Contractor-Friendly Install: Standard 1/2-inch FNPT connections allow for direct threading into iron or steel piping manifolds

Markel ET9STS Stat 323055-751 This genuine OEM replacement partThe 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