Vacuum Switch – AO Smith | NBK-20413

NBK-20413 – Vacuum Switch – AO Smith – Special Order The NBK-20413 Vacuum Switch is a high-precision OEM-equivalent component designed to monitor and regulate air pressure in AO Smith water heaters and HVAC systems. As a direct replacement for AO Smith part number 100110715, this switch plays a critical role in ensuring safe system operation by detecting pressure changes and enabling ignition or shutdown when needed. ⚠️ SPECIAL ORDER NOTICE: This is a special order item sourced from NBK. Please allow 1–2 business days for processing prior to shipment. Key Features ✅ Reliable Pressure Detection: Monitors vacuum pressure to ensure safe burner or blower operation ✅ OEM-Compatible Fit: Direct replacement for AO Smith 100110715—no modifications required ✅ Durable & Accurate: Built for longevity and dependable performance in demanding environments Specifications 📌 SKU: 20413 📌 Category: HVAC / Switches / Vacuum Switches 📌 OEM Brand: AO Smith 📌 Replaces OEM Part: 100110715 📌 UPC: 810069180618 📌 Application: AO Smith water heaters and compatible HVAC units Equivalent To AO Smith: 100110715 Why Choose the NBK-20413? The NBK-20413 Vacuum Switch is essential for safe and reliable system performance in AO Smith water heaters. Its precise pressure-sensing capability helps ensure proper airflow and burner operation, protecting both users and equipment from unsafe conditions. Shipping & Availability 🚚 Special order from NBK. Please expect a 1–2 business day processing delay before shipping.