Pilot Assembly 180° NG Kit | AO Smith / Lochinvar | NBK-20426K

NBK-20426K – Pilot Assembly 180° NG Kit – AO Smith / Lochinvar – Special Order

The NBK-20426K Pilot Assembly 180° NG Kit is a high-quality natural gas pilot assembly designed for use in AO Smith and Lochinvar water heaters. This OEM-equivalent replacement matches AO Smith part number 100109290 and Lochinvar 9003531005, and is engineered for precise ignition control and reliable gas flow management in residential and commercial systems.

⚠️ SPECIAL ORDER NOTICE: This is a special order item sourced from NBK. Please allow 1–2 business days for processing.

Key Features

✅ 180° Configuration: Designed for specific burner layouts requiring a 180° pilot tube orientation
✅ Reliable Ignition: Delivers consistent spark and flame performance for natural gas systems
✅ OEM-Equivalent Fit: Replaces both AO Smith 100109290 and Lochinvar 9003531005 without modification

Specifications

📌 SKU: 20426K
📌 Category: Water Heater Parts / Pilot Assemblies
📌 Fuel Type: Natural Gas (NG)
📌 Orientation: 180-Degree
📌 OEM Brands: AO Smith, Lochinvar
📌 Replaces OEM Parts: 100109290, 9003531005
📌 UPC: 810069185002
📌 Application: Natural gas water heaters (residential and light commercial)

Equivalent To

AO Smith: 100109290
Lochinvar: 9003531005

Why Choose the NBK-20426K?

The NBK-20426K Pilot Assembly is ideal for restoring safe, reliable ignition in AO Smith and Lochinvar gas water heaters. Whether you're replacing a faulty pilot or performing preventive maintenance, this kit provides OEM-level performance with fast, accurate installation.

Shipping & Availability

🚚 Special order from NBK. Please expect a 1–2 business day processing delay .