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- High limit, low limit and/or circulator controllers used to regulate boiler water temperature in gas- or oil-fired hydronic heating systems.
Resideo Aquastat Controller, High and Low limit, 120 to 240 V/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
- 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
- Differential10 to 25 deg FMounting TypeHorizontalTemperature Rating130 to 240 deg FVoltage Rating120 to 240 V / 0.25 to 12 VDCHumidity Range0 to 95 %Insulation Depth1-1/2 inManufacturerResideo TechnologiesManufacturer #L4081A1023/USpud Size3/4-14Switch TypeSnap ActionTypeHigh and Low limit