Description
Laars Heating Systems E2103900 Aquastat Overview
The Laars Heating Systems E2103900 is a precision-engineered aquastat designed for dependable temperature control in hydronic heating systems and boiler applications. Featuring a wide 40–180°F operating range, this unit delivers accurate sensing and reliable switching performance across a broad spectrum of system temperatures, making it a versatile choice for residential and light commercial hydronic installations.
Key Features
- Temperature range: 40–180°F for broad hydronic system compatibility
- SPST (Single Pole, Single Throw) switching for straightforward circuit control
- Manual Reset (M/R) safety function — requires deliberate operator action to restore operation after a trip event
- 220-inch capillary tube for flexible remote sensing and installation versatility
- Designed as a genuine Laars Heating Systems OEM replacement part
Application
The E2103900 aquastat is engineered for use in boiler and hydronic heating systems where accurate water temperature monitoring and manual-reset safety protection are required. The extended 220-inch capillary allows the sensing bulb to be positioned at a distance from the control body, accommodating a wide variety of equipment configurations. The manual reset feature ensures that any temperature fault is acknowledged and corrected by a technician before the system is returned to service, enhancing safety and system integrity.
Why Choose the Laars E2103900
- Genuine OEM part engineered to Laars specifications for reliable fit and performance
- Manual reset design promotes safe service practices and fault accountability
- Long capillary tube supports flexible mounting and remote sensing applications
- Wide temperature range suits diverse hydronic system requirements
- SPST design simplifies wiring and integration into existing control circuits
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