this silver-coded spring allows for precise calibration in domestic service and light commercial applications

along with 120V and 277V common in commercial lighting and power circuits

and Nortek brands

The Resideo Q340A1066 is a professional-grade Universal 30mV Thermocouple designed for high-reliability pilot flame sensing in standing pilot gas-fired heating systems

Nordyne 626467R Limit Switch this silver-coded spring allows forThe Nordyne 626467R Limit Switch is a critical safety component designed for intermittent ignition furnace systems and electric heat packages. This auto reset limit switch features a 3 inch insertion depth and is calibrated for an L180 20F temperature range, meaning it opens at 180? F and closes with a 20 degree differential. As an OEM replacement part, this high temperature limit ensures precise thermal protection within the heat exchanger assembly,