Laars Heating Systems R2014800 Sensor 321042-401 25 and can be used

25 and can be used interchangeably in all documented applications

Built to withstand harsh environmental conditions

What are the signs that a heater element needs replacement

Designed specifically for Ultra Low NOx water heaters

Simplified Installation: The integrated burner door assembly includes a 16-inch manifold and pre-aligned components for faster field replacement

Laars Heating Systems R2014800 Sensor 321042-401 25 and can be usedThe Laars Heating Systems R2014800 Sensor is a critical OEM replacement part designed for precision thermal monitoring in high efficiency hydronic systems. This temperature control sensor serves as the direct replacement for E2103300, ensuring seamless integration with existing Laars boiler and volume water heater control logic. As an NTC thermistor, it provides real time resistance feedback to the main control board, allowing for accurate staging and