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Laars Heating Systems E2103900 40-180F SPST Manual Reset 220″ Capillary Aquastat

BRAND: Laars Heating Systems SKU: E2103900

$249.84

MSRP: $287.32
You save 15%

40-180°F SPST Manual Reset 220″ Capillary Aquastat

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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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