Resideo - Honeywell Home L8148J1009 Aquastat Relay

Aquastat Relay L8148J1009 from Resideo/Honeywell Home is a reliable control for boilers and hydronic systems. This high‑limit relay combines precise capillary sensing with durable electrical specs to safeguard your equipment, with a 140 to 240°F temperature range and a 24V control option.

• Type 4-1/2 inch capillary, horizontal or vertical well immersion for flexible installation
• High limit protection with 140–240°F operating range; maximum 150°F with 1.2A at 24V, 77°F with 1.4A at 24V load
• Contact configuration SPST; robust ratings: 7.4A@120V AC, 3.7A@240V AC full load; 44.4A@120V AC/22.2A@240V AC locked rotor
• Low and micro-amp options: 0.8A@24V AC, 0.25A at 1/4–12V DC, 0.2A at anticipator setting
• Industrial approvals: UL and CSA; 1/2 inch conduit or quick connect/screw connections
• Compact dimensions and installation options: 4‑5/16 in W x 3‑1/8 in D x 6‑1/8 in H (Horizontal) or 6‑1/8 in W x 3‑1/8 in D x 4‑5/16 in H (Vertical)
• Other specs: differential temperature 8°F, max safe operating pressure 255 PSI, humidity 0–95% RH non-condensing; includes heat conductive compound

Perfect for circulator motors and burners, this Aquastat Relay from Honeywell Home delivers dependable control and long-term durability for heating systems.