Modine IPI Spark Pilot Assembly (21039K / 3H37454-1) – Includes Orifices for LP & NG Gas

Modine IPI Spark Pilot Assembly (21039K / 3H37454-1) – Includes Orifices for LP & NG Gas
Restore consistent and safe ignition to your Modine heater with this IPI Spark Pilot Assembly. Designed to work with intermittent pilot ignition (IPI) systems, this assembly includes spark electrode, pilot hood, and orifices for both natural gas (NG) and propane (LP) setups. Whether you're upgrading or replacing a worn component, this pilot assembly is built to ensure reliable startup and long-term performance in a wide range of Modine heating units.

🔧 Note: For use with IPI ignition control modules only.

✅ Key Features:

✅ Compatible with NG & LP – Includes both natural gas and propane pilot orifices
✅ Reliable Spark Ignition – Provides consistent lighting for intermittent pilot systems
✅ Full Pilot Assembly Kit – Includes spark electrode, pilot hood, and dual gas orifices
✅ OEM Quality Replacement – Replaces dozens of original Modine part numbers
✅ Easy to Install – Designed for a plug-and-play retrofit into existing IPI systems

📌 Specifications:

📌 Part Number: 21039K / 3H37454-1
📌 Fuel Compatibility: Natural Gas (NG) and Propane (LP)
📌 Ignition Type: Intermittent Pilot Ignition (IPI)
📌 Includes: Spark pilot assembly with LP & NG orifices
📌 OEM Status: OEM-equivalent Modine replacement part
📌 Sold: Individually

🔧 Replaces the Following Part Numbers:

5H80690-1, 5H80690-2, 5H80690-3
3H34347-1, 3H34347-3
5H71938-1, 5H71938-2, 5H71938-3
5H74447-1, 5H74447-2, 5H74447-3
3H32608-1 through 3H32608-11
3H32961-1 through 3H32961-9
3H33062-1 through 3H33062-11
5H70871-1, 5H71838-3
5H74448-1, 5H74448-2, 5H74448-3

Always refer to your heater's service manual to confirm compatibility with your unit.

Get your Modine heater back to peak performance with the 3H37454-1 IPI Spark Pilot Assembly. Designed for versatility, this all-in-one kit includes everything you need for a smooth replacement on NG or LP systems. Order today for fast ignition and safe, reliable heat!