Vacuum Switch 90277 | Equivalent to Atwood 90277 | NBK-20228

NBK-20228 Vacuum Switch 90277 – Equivalent to Atwood 90277 (Special Order) Ensure your RV’s heating or water heater system operates safely and efficiently with the NBK-20228 Vacuum Switch. This high-quality replacement is designed as a direct equivalent to Atwood part #90277, commonly used in RV furnaces and water heaters to monitor and confirm proper airflow before ignition. ⚠️ SPECIAL ORDER NOTICE: This is a special order product, fulfilled through NBK, and requires 1–2 business days additional processing time. Key Features: ✅ Direct OEM Replacement – Equivalent to Atwood 90277, ensuring hassle-free installation and reliable compatibility ✅ Critical Safety Component – Confirms airflow to prevent ignition failures and protect your system from overheating ✅ Durable Construction – Built to withstand the demanding conditions of RV environments ✅ For RV Furnaces & Water Heaters – Compatible with many Atwood models and other systems using this vacuum switch style Specifications: 📌 SKU: 20228 📌 Brand: NBK 📌 Category: RV Parts / Vacuum Switches 📌 Replaces: Atwood 90277 📌 Function: Monitors blower operation and airflow to enable safe ignition 📌 Warranty: Backed by a 60 day standard limited warranty Why Replace Your Vacuum Switch? A faulty vacuum switch can prevent your furnace or water heater from igniting, leaving you without essential heat or hot water. Replacing it ensures your RV systems start only under safe airflow conditions. Shipping Information: As a special order item sourced from NBK, please allow 1–2 days additional processing time.