Vacuum Switch (No Hardware) - Whitfield NBK-20575

Vacuum Switch (No Hardware) Maintain safe operation of your hearth appliance with this replacement vacuum switch, equivalent to Whitfield OEM part 12145903. Designed for compatible pellet and hearth heating systems, this switch monitors proper airflow and draft conditions to ensure safe startup and operation. Key Features Equivalent to Whitfield OEM vacuum switch Switch only – mounting hardware not included Supports proper airflow and draft verification Direct-fit replacement for Whitfield part number 12145903 Specifications OEM: Whitfield Replaces OEM: 12145903 Equivalent To: 12145903 UPC: Not available SKU: 20575 Category: Hearth Parts (Switch) Direct Replacement For WHITFIELD 12145903 Why Choose This Replacement A malfunctioning vacuum switch can prevent proper ignition or shut down system operation as a safety precaution. This OEM-equivalent replacement helps restore accurate draft sensing and supports safe, reliable performance in Whitfield hearth appliances. Installation Tips Disconnect electrical power before servicing hearth appliance components. Verify compatibility with your specific Whitfield model prior to installation. Inspect vacuum tubing for cracks, blockages, or wear during replacement. Ensure airtight hose connections to prevent false pressure readings. Test startup sequence to confirm proper switch engagement and system operation. Pairs Well With Whitfield pressure switches, pellet stove vacuum tubing, hearth control boards, combustion blower assemblies Special Order Notice: This item requires an additional 2–3 business days to process before shipping.