While this is an OEM part for International Environmental equipment

Common Questions: When should I replace the valve packing

With a 290-degree F open temperature and a 210-degree F close temperature

Experienced technicians recognize the importance of using a heavy-duty copper tube to prevents fatigue cracks caused by thermal expansion and system vibration

this CxC (Copper-to-Copper) connector is rated for an operating pressure of 700 psi at 250°F

Nordyne 626423R Limit Switch While this is an OEMFor service calls involving short cycling or thermal cutout issues in Nordyne built systems, the Nordyne 626423R Auto Limit Switch is the OEM replacement part required to restore factory safety parameters. This L170 20F limit control is specifically engineered to monitor heat exchanger temperatures, featuring a fixed 170? F open point to interrupt the burner circuit and a 150? F close point for automatic reset. As a fixed mount furnace safety switch,