Resideo - Honeywell Home L4006E1125 Aquastat Controller

The L4006E1125 Aquastat Controller from Resideo/Honeywell Home is a reliable boiler control solution for both boilers and storage tanks. This Aquastat Controller delivers precise temperature management with a 100 to 200°F sensing range and a high-limit, manual-reset feature to prevent overheating in warming systems.

• Type 3/8" diameter x 2-7/8" length copper bulb with a 3" capillary; sensing liquid is toluene or silicone oil for accurate temperature response.
• Direct horizontal/vertical well immersion for flexible installation in tight spaces.
• 100–200°F sensing range; maximum temperature rating 150°F; high-limit with manual reset.
• SPST contact configuration; break on temperature rise; 8 A at 120V AC / 5.1 A at 240V AC (full load); 48 A at 120V AC / 30.6 A at 240V AC (locked rotor); 0.25 A at millivolt.
• 3/4" conduit with screw terminal; suitable for boiler and storage tank applications; UL, CSA, AGA approved.
• Overall dimensions 2" W x 2-1/8" D x 5-5/8" H; capillary 200 psi; immersion well 255 psi.

Engineered for reliable automatic temperature control, this aquastat delivers durable boiler control with compliant safety standards, making it a trusted choice for heating systems and storage tanks.