Bard 8406-081 - Pressure Switch 0.55 in. WC

Bard part number 8406-081 is an OEM pressure switch set to open on a pressure fall at 0.55 inch water column with a tolerance of plus or minus 0.05, used as a safety proving switch in select Bard HVAC equipment where proper draft or airflow must be confirmed before operation continues. When the switch is out of calibration or the contacts do not change state reliably, the unit may shut down or lock out, so replacing it with the correct Bard 8406-081 helps restore proper safety logic and dependable starts. Match the pressure rating and wiring style to your unit information and replace the tubing connections securely to prevent nuisance trips caused by leaks or restrictions.

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(844) WALLMOUNT (844-925-5668)