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8406-086 OBSOLETE
- Press Switch .35"W.C.Open On Fall
The Bard 8406-086 is an OEM SPDT air pressure switch rated at 0.35 in. w.c. and designed to prove proper airflow or draft conditions so your Bard unit can run safely and consistently. This switch changes state as pressure drops, helping the control circuit confirm the correct pressure signal during operation and preventing nuisance shutdowns when the original switch is weak, sticking, or out of calibration. Use it as a direct-fit Bard replacement by matching the pressure rating and wiring style on your existing switch and verifying your model and wiring diagram before installation to ensure correct operation on the intended Bard equipment.
Official replacement(s):
8406-086BX
- Pressure Switch - Boxed .35"W.C.+/-.05