Common Questions: What causes a primary limit switch to trip repeatedly

Key Benefits: Universal Multi-Mount Design: The "L" channel bracket features multiple tapped holes

Check your existing LWCO kit SKU to ensure a matches-for-match replacement

Enhanced Durability: Genuine Norton silicon carbide construction maintains thermal stability over thousands of ignition cycles

The thermostat utilizes RH and W terminals

Zonefirst RTB14 Damper Els PW 17895 Common Questions: What causes aThe Zonefirst RTB14 is a heavy duty 14 inch round take off bypass damper engineered for precise static pressure relief in zoned HVAC systems. This barometric bypass damper features a built in take off collar, allowing for direct mounting to the supply plenum, which significantly reduces installation time and eliminates the need for additional transition fittings. Constructed from high grade galvanized steel, the RTB14 utilizes an adjustable weighted