ResideoSKU: 594000

Resideo L4080B1352/U Immersion Aquastat Controller

$101.19
In stock (15)

The Resideo L4080B1352/U Immersion Aquastat Controller (Series L4080B) operates on 120 to 240 VAC and controls temperatures from 100 to 200°F with an 8°F differential. Designed for vertical mounting, it accommodates 1/2-14 or 3/4-14 inch NPT spuds and includes a second limit bimetal switch. The controller supports insulation depths of 1-1/2 or 3 inches and measures 2-1/2 inches in width by 3-7/8 inches in height, handling electrical currents from 4 to 48 amps for effective temperature regulation in heating systems.

Shipping policy

Orders placed by 2:00pm EST will ship same day, except on holidays.

More Details

Product overview
  • Totally enclosed Micro Switch™ snap-acting switches operate on temperature rise to setpoint
  • Visible control point scale and external adjustment screw permit easy setting
  • Horizontal or vertical insertion of the sensing element
  • Remote bulb model may be used to sense air temperature in ducts and in outside air sensing applications
  • UL limit rated device
  • Models available for strap-on mounting
Specifications
Manufacturer Part Number L4080B1352/U
UPC n/a
Overall Dimensions n/a
Material n/a
Domestic or Import n/a
End Style n/a
Type Immersion
ADA Compliance n/a
Warning Professional installation required
Standards and Approvals UL Listed: models with well, File No. MP466, Guide No. MBPR | AGA Design Certified: Test Report 2311B
Resources
Delivery & Returns

Orders will ship same day if received by 2pm EST.

Upcoming holiday closures: July 3, 2026

All returns are inspected on receipt; credit is issued after condition is confirmed. Credit is issued only for items returned in original, saleable condition after inspection.

FINAL SALE ITEMS ARE NOT ELIGIBLE FOR RETURNS OR EXCHANGES.

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