Home Honeywell L4006A1017 Aquastat Controller, 100-240F, 5-30F diff., High or Low limit, SPST

Honeywell L4006A1017 Aquastat Controller, 100-240F, 5-30F diff., High or Low limit, SPST

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Honeywell Aquastat Controller (sku# L4006A1017) with 100F to 240F operating temperature and 5F to 30F adj. differential has 1-1/2" capillary and includes 1/2" well - 123869A.

Honeywell Aquastat L4006A breaks the circuit on a temperature rise to the control setting. Honeywell L4006A1017 is used for high limit or low limit control. When used as a controller or as a low limit, a separate high limit must be used.

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 L4006A1017:

  • Application: High or Low limit;
  • Bulb Size: 3/8" x 2-7/8" copper;
  • Well Spud Size: 1/2" NPT;
  • Capillary Length: 1-1/2";
  • Switching Action: SPST, contacts break 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 to 30F adj.;
  • Maximum Ambient Temperature: 150F;
  • Case Dimensions: 5 5/8" high x 2" wide x 2 1/8" deep;
  • Mounting: Horizontal or Verticalv;
  • 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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