leading to localized heating (pitting) and insulation melting

critical for restoring furnace operation once safe temperatures are reached

Built from durable nylon housing

This model utilizes two external thumbscrews

application-specific installation accessory engineered for field retrofits and panel assemblies

Markel ET9DTS Thermostat 322056-301 leading to localized heating (pitting)The Markel ET9DTS Thermostat is a professional grade line voltage thermostat designed specifically for heavy duty electric heat applications. This industrial double pole single throw (DPST) control provides high capacity performance for resistance heating elements and unit heaters in commercial or residential settings. Built with a bimetal bimetallic actuator and a snap action switch, the ET9DTS ensures reliable cycling and a long service life under