🔥 100165924 Lochinvar Ignitor With Gasket – Replacement for PLT30004
The Lochinvar 100165924 Ignitor with Gasket is an OEM replacement part designed for FB series boilers, sizes 1500–3500. This ignitor ensures reliable spark ignition for safe and consistent burner operation. The package includes the mounting gasket, making installation quick and straightforward.
✅ Key Features
-
✅ Direct Replacement for PLT30004 and 100269563
-
✅ OEM-quality ignitor with included gasket
-
✅ Compatible with Lochinvar FB series boilers, sizes 1500–3500
-
✅ Ensures reliable ignition for FB, FBL, and FBN series models
-
✅ Durable construction for high-temperature, high-cycle operation
-
✅ Easy installation with included mounting hardware
📊 Specifications
| Specification | Detail |
|---|
| Manufacturer |
Lochinvar |
| Part Number |
100165924 |
| Old Part Number |
PLT30004 |
| Included Components |
Ignitor + Gasket |
| Compatible Models |
FB1500–FB3500, FBL2500–FBL5000, FBN2500–FBN5000 |
| Replacement For |
100269563, PLT30004 |
| Function |
Provides spark for burner ignition |
| Application |
Residential and commercial FB series boilers |
🔁 Cross Reference / Compatible Replacements
| Replaces | Brand / Part |
|---|
| PLT30004 |
Original Lochinvar Ignitor |
| 100269563 |
Legacy Replacement Part |
⚠️ Common Symptoms / When to Replace
-
Boiler fails to ignite or maintain flame
-
Intermittent sparking or weak ignition
-
Burner lockouts due to ignition failure
-
Visible cracks, damage, or wear on the ignitor
-
Frequent system resets required
Replacing the 100165924 ignitor restores proper ignition and ensures consistent heating performance.
💬 Frequently Asked Questions (FAQ) ❓
Q: Which boilers does this ignitor fit?
A: Fits Lochinvar FB series boilers, sizes 1500–3500, including FB, FBL, and FBN models listed above.
Q: Does this include the mounting gasket?
A: Yes, the package includes the required gasket for proper installation.
Q: What causes ignitors to fail?
A: High heat cycles, mechanical stress, or electrical wear can cause failure over time.
Q: Can a faulty ignitor cause burner lockouts?
A: Yes — a malfunctioning ignitor is a common cause of ignition lockouts.
Q: Is this a direct replacement for PLT30004?
A: Yes — it replaces PLT30004 and 100269563.
🛒 Shopping Tips
-
Verify your boiler model and size before purchasing.
-
Inspect the existing ignitor for cracks or damage before replacing.
-
Make sure the included gasket is used for proper sealing.
-
Handle the ignitor carefully; the tip is fragile.
-
Keep a spare ignitor for multiple boilers or critical applications.
