Honeywell Home

Honeywell L4081A1023/U High and Low limit Aquastat Controller

HONL4081A1023 MFG #: L4081A1023/U
Honeywell L4081A1023/U High and Low limit Aquastat Controller
  • Amperage Rating: 5.1 to 48 A
  • Differential: 10 to 25 deg F
  • Mounting Type: Horizontal
  • Temperature Rating: 130 to 240 deg F
  • Voltage Rating: 120 to 240 VAC / 0.25 to 12 VDC
  • Humidity Range: 0 to 95%
  • Insulation Depth: 1-1/2 in
  • Manufacturer: Honeywell
  • Manufacturer #: L4081A1023/U
  • Spud Size: 3/4-14 in
  • Switch Type: Snap-Acting
  • Type: High and Low limit
High limit, low limit and/or circulator controllers used to regulate boiler water temperature in gas- or oil-fired hydronic heating systems.

Aquastat Controller, High and Low limit, 120 to 240 VAC/0.25 to 12 VDC, 130 to 240 deg F, 5.1 to 48 A, 10 to 25 deg F Differential, Horizontal Mount, 3/4-14 Spud, Snap-Acting Switch, 1-1/2 in Insulation Depth, 0 to 95% Humidity
  • Features
  • An immersion type liquid filled sensing element actuated two snap switches
  • One switch operates as a high limit control
  • The other switch operates as a low limit 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 set point adjustments for each switch
  • Differential adjustments on low limit or circulator switch on select models
  • All adjustments accessible inside front cover
  • Push-in terminals for quick connecting
  • Single sensing element for easy installation
  • Two SPST snap switches act independently at respective temperature settings
  • 8 A at 120 VAC/5.1 A at 240 VAC for full load rating
  • 30.6 to 48 A at 120 to 240 VAC for locked rotor
  • 0 to 95% RH non-condensing