Resideo - Honeywell Home L4008E1313 Remote Bulb Aquastat Controller

The Remote Bulb Aquastat Controller is a precise boiler-control solution from Resideo - Honeywell Home L4008E1313, designed to provide dependable temperature regulation for boilers and storage tanks. It employs a copper sensing bulb (3/8 inch diameter x 2-7/8 inch length) with a 66-inch capillary and supports horizontal or vertical immersion, paired with a high-limit that features a manual reset for safety.

Key features

• Sensing bulb: copper, 3/8 in diameter × 2-7/8 in length with 66 in capillary; supports horizontal or vertical immersion.
• Temperature control: 100–200°F range; maximum rating 150°F; high-limit with manual reset.
• Contacts: SPST, breaks on temperature rise; full-load ratings of 8 A at 120 VAC / 5.1 A at 240 VAC; locked-rotor 48 A at 120 VAC / 30.6 A at 240 VAC; millivolt 0.25 A @ 0.25–12 V.
• Connections: 3/4 in conduit and screw terminals; suitable for boiler and storage-tank installations.
• Certifications and specs: UL and CSA approved; dimensions 2 in W × 2-1/8 in D × 5-5/8 in H; capillary 200 psi, immersion well 255 psi; sensing fluid toluene or silicone oil.
• Applications: ideal for boiler and storage-tank systems.

Designed for demanding boiler and storage-tank environments, this L4008E1313 remote aquastat delivers reliable control, easy installation, and long-term durability for improved heating system performance.