OEM replacement hot surface ignitor (HSI) for Lochinvar and A.O. Smith residential and commercial boilers and water heaters. Features ceramic insulator and silicon nitride element designed for rapid thermal cycling. Includes factory-specified gasket for gas-tight seal at mounting flange. Factory-calibrated for flame rectification circuits.
Lochinvar PLT3021 Hot Surface Ignitor with Gasket
Lochinvar & A.O. Smith
$48.95
In Stock — 10+ available
- OEM / cross-reference
- 100165929
- Fits brands
- Lochinvar, A.O. Smith
- SKU:
- PLT3021
- Product Type:
- Hot Surface Igniter
- Application:
- Residential/Commercial
- System Type:
- Boiler, Water Heater
- Installation Type:
- OEM Replacement
- Fuel Type:
- Natural Gas
- Material:
- Ceramic, Silicon Nitride