High or Low Limit Aquastat, 100-240°F range, 5-30°F Adj Differential Zoom

High or Low Limit Aquastat, 100-240°F range, 5-30°F Adj Differential


Brand: Honeywell

Qty Price
/ each
$339.40 / box (4 units x $84.85)
In Stock! Ships in 24-48 Hours
(42 Available)


Application: Low Limit
High Limit
Bulb Size: 3/8" x 2-7/8"
Capillary Length: 1-1/2"
Switch Action: Contacts Break on Temp Rise
Well Spud Size: 1/2" NPT
Temperature Range (F): 100°F to 240°F
Electrical Rating: 5.1A @ 240 Vac
8A @ 120 Vac
0.25 A @ 0.25 to 12 Vdc
Electrical Ratings (ALR): 30.6A @ 240 Vac
48A @ 120 Vac
5° to 30°F
Max Temp Differential: 30°F
Max Ambient Temp (°F): 150 F
Height: 5-5/8"
Width: 2"
Depth (Inches): 2-1/8"
Well Included: Yes
Mount: Vertical
Thread Type: Male
Max Temp (F): 240°F
Min Temp (F): 100°F

Description for Honeywell L4006A1967

Aquastat Controllers are immersion type devices 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.
  • Models available for strap-on mounting.
  • Remote bulb model may be used to sense air temperature in ducts and in outside air sensing applications.
  • TRADELINE models include heat-conductive compound.
  • Select models have wells.
  • UL limit rated device.

  • Insulation Depth (in.): 1 1/2"
  • Spud Size (in.): 3/4"
  • 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

  • 1-1/2" (38 mm) insulation, stop factory-set at 240F (116C).
  • Tradeline: Value Tradeline

High or Low Limit Aquastat, 100-240°F range, 5-30°F Adj Differential

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