Vacuum Switch

NBK-20212 – Vacuum Switch – LennoxThe NBK-20212 Vacuum Switch is a high-quality OEM-equivalent replacement part for Lennox pellet stoves and fireplaces. Replacing Lennox part number H5889 and cross-referencing Winslow 44029, this safety-critical component monitors airflow to ensure safe stove operation—automatically shutting down the system if improper pressure is detected.Key Features• OEM-equivalent replacement – replaces Lennox H5889 and Winslow 44029• Critical safety component – monitors vacuum pressure to prevent unsafe operation• Durable construction – built for long-term performance in pellet stove systemsSpecifications• SKU: 20212• Category: Pellet Stove Parts / Vacuum Switches• OEM Brand: Lennox• Replaces OEM Part: H5889• Cross Reference: Winslow 44029• UPC: 810069183770• Application: Compatible with Lennox stoves and fireplaces requiring vacuum switch H5889Equivalent To• Lennox: H5889• Winslow: 44029Why Choose the NBK-20212?The NBK-20212 Vacuum Switch ensures safe and efficient stove performance by continuously monitoring vacuum pressure and venting. It’s a dependable solution to protect your stove and maintain proper operation standards.Shipping & AvailabilitySpecial order from NBK. Please allow 1–2 business days for processing prior to shipping.