Armstrong 65W49 Furnace Pressure Switch

The Armstrong 65W49 Furnace Pressure Switch is a precise safety component that guards ignition and ensures dependable furnace operation. This pressure switch, identified as R100684-09, features a red housing and a 0.60 in. W.C. set point, making it a trusted replacement part for compatible systems.

Designed for reliable performance in modern furnaces, the Armstrong 65W49 Furnace Pressure Switch delivers accurate pressure sensing to prevent unsafe operation. Its durable build and industry-standard specifications help maintain steady burner operation, minimize nuisance lockouts, and extend overall system life. Ideal for HVAC maintenance and proactive replacements, this switch integrates smoothly into control circuits that monitor draft and combustion safety.

• Exact replacement part for Armstrong 65W49 furnace controls with model R100684-09.
• 0.60 in. W.C. pressure setting for precise sensing and reliable ignition control.
• Red housing for quick identification and compatibility in control panels.
• Durable construction built to withstand furnace environments and cycling.
• Easy installation as a direct replacement part, reducing downtime.