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Home HVAC Controls Pressure & Temperature Controls Aquastat Relays AQUASTAT DUEL CONTROL

AQUASTAT DUEL CONTROL

PART HON L4081A-1023
SUPPLIER Resideo
SUPPLIER PART # L4081A1023/U
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About this item

Resideo 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 Mounting, 3/4-14 Spud, Snap Action Switch, 1-1/2 in Insulation Depth, 0 to 95 % Humidity

High limit, low limit and/or circulator controllers used to regulate boiler water temperature in gas- or oil-fired hydronic heating systems.

CSA File No. LR95329-1|Guide No MBPR2|UL File No. MP466
Amperage Rating 5.1 to 48 A
Differential 10 to 25 deg F
Humidity Range 0 to 95 %
Insulation Depth 1-1/2 in
Mounting Type Horizontal
Spud Size 3/4-14
Switch Type Snap Action
Temperature Rating 130 to 240 deg F
Type High and Low limit
Voltage Rating 120 to 240 VAC/0.25 to 12 VDC
Brand Resideo
Country of Origin MX
  • 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