Aquastat® Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required.

Aquastat® Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required. Honeywell’s L4006 are used in applications that utilize the existing wells.

For limiting or regulating temperature of liquids in boilers or tanks. Can also sense duct or outside air temperature.

Features: An immersion type liquid-filled sensing element actuates two snap switches. One switch operates as a high limit control. The other switch operates as a low limit and/or circulator control, depending on the model. Controller may be mounted in any positioning and needs no leveling. Separate, easy-to-read, calibrated dial and setpoint adjustments for each switch. …

Honeywell L4081A1023 High Low Limit Aquastat Controller, W/ High LimitRead More

Aquastat Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required.

Aquastat+ Controllers are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required.

Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service.

Features: Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems. Provide multizone control by using a separate circulator and R845 Relay for each zone. Include diaphragm powerhead and Micro Switch+ assembly that respond to temperature changes in boiler water. Mount directly to boiler. Select models include …

Honeywell L8124A1015 High Limit Protection, Low Limit & Circulator Vertical Mount Triple Aquastat RelayRead More

Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service.

Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service.