Circulator Aquastat, 5F (Fixed) Differential, 100F-240F


Brand: Honeywell

Mfr Part#: L4006B1007

UPC#: 085267048804

Availability: In Stock
Usually ships: Today, if ordered by 3pm
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Honeywell Aquastat Controller (sku# L4006B1007) with 100F to 240F operating temperature and 5F fixed differential has 1-1/2" capillary and includes 1/2" well - 123869A.

Honeywell Aquastat L4006B makes the circuit on a temperature rise. Honeywell L4006B1007 is used as a circulator controller, delaying circulator operation when boiler water temperature is below the control setting.

Honeywell Aquastat Controller is an immersion type device for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required.



  • 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;
  • Direct or well immersion of the sensing element;
  • Remote bulb model may be used to sense air temperature in ducts and in outside air sensing applications;
  • Includes 1/2" well - 123869A;


Technical Specifications of Honeywell Aquastat L4006B1007:

  • Application: Circulator;
  • Bulb Size: 3/8" x 2-7/8" copper;
  • Capillary Length: 1-1/2";
  • Switching Action: SPST, contacts make on temperature rise.;
  • Operating Temperature Range: 100F to 240F;
  • Electrical Ratings (millivolt): 0.25 A @ 0.25 to 12 Vdc;
  • Electrical Ratings (Full Load): 5.1A @ 240 Vac; 8A @ 120 Vac;
  • Electrical Ratings (Locked Rotor): 30.6A @ 240 Vac; 48A @ 120 Vac;
  • Electrical Ratings (AFL): 8A @ 120 Vac;
  • Electrical Ratings (AFL): 5.1A @ 240 Vac;
  • Electrical Ratings (ALR): 48A @ 120 Vac;
  • Electrical Ratings (ALR): 30.6A @ 240 Vac;
  • Differential Temperature: 5F Fixed;
  • Differential Temperature (C): 3 C fixed;
  • Maximum Ambient Temperature: 150F;
  • Case Dimensions: 5 5/8" high x 2" wide x 2 1/8" deep;
  • Mounting Horizontal or Vertical;
  • Approvals, Underwriters Laboratories Inc: UL Component Recognized: File No. MP466, Vol. 6, Sec.1, Guide No. MBPR2;
  • Approvals, Canadian Standards Association: Certified: File No. LR95329-1;
  • Approvals, American Gas Association IAS: AGA Certified;
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