661104R Nordyne pilot burner assembly with a .013 orifice

Pilot assembly used in many Nordyne M1 furnaces. Includes orifice # 660922, but for a replacement orifice, order part # RS821-0135. Replaces pilot burner 660911.

OEM Standing‑Pilot Burner | Fits Nordyne M1 Furnaces

The 661104R is a genuine OEM Nordyne pilot burner assembly used across many M1 series gas furnaces. This assembly includes the factory‑installed .013 pilot orifice (#660922) and is designed to restore a stable, reliable pilot flame for safe furnace operation.

If you need to replace only the orifice, use RS821‑0135 (OEM replacement for 660922).

⭐ Key Features

• OEM Nordyne pilot burner assembly

• Includes .013 pilot orifice (#660922)

• Direct replacement for older and current M1 furnace platforms

• Ensures consistent pilot flame and proper thermocouple heating

• Replaces legacy pilot burner 660911

• Durable metal construction

🧩 Function & Application

This pilot burner provides the ignition flame required for standing‑pilot Nordyne furnaces. A worn, dirty, or misaligned pilot burner can cause:

• Pilot outages

• Weak or unstable flame

• Thermocouple dropout

• Furnace failing to light

Installing the correct OEM assembly restores safe, consistent ignition performance.

📦 Product Details

(From your Shopify product page)

• Part Number: 661104R

• Orifice Included: 660922 (.013)

• Replacement Orifice: RS821‑0135

• Replaces: 660911

• Category: Pilot Burner

• Vendor: Nordyne

• Weight: 0.3792 lb

• Package Size: 10 × 12 × 12 in

• Color: Silver