Armstrong Furnace R40154B025 Limit Switch 320735-701 or varying water temperatures

or varying water temperatures

an adapter or a different SKU would be required to maintain balance and prevent slippage

With a 3/4-inch MNPT inlet and a 1/2-inch FNPT discharge

5' wire harness

Armstrong Furnace R40154B025 Limit Switch 320735-701 or varying water temperaturesThe Armstrong Furnace R40154B025 Limit Switch is a critical safety component engineered specifically for high efficiency HVAC systems. This L130F 30 flame rollout limit switch is designed to monitor internal furnace temperatures, automatically breaking the electrical circuit if the heat exceeds the 130F safety threshold. This genuine Armstrong replacement part ensures your heating system operates within manufacturer specifications, preventing heat