Circulator Aquastat Controller with 100 F to 240 F operating temperature, 5 F to 30 F adj. Different
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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.
Description Circulator Aquastat Controller with 100 F to 240 F operating temperature, 5 F to 30 F adj. Differential
Insulation Depth (in.) 3 in.
Insulation Depth (mm) 76 mm
Bulb Size (in.) 3/8 in. x 2 7/8 in. copper
Bulb Size (mm) 10 mm x 73 mm copper
Switching Action SPST, contacts make on temperature rise.
Operating Temperature Range (F) 100 F to 240 F
Operating Temperature Range (C) 38 C to 116 C
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 (F) 5 F to 30 F adj.
Differential Temperature (C) 3 C to 17 C adj.
Maximum Ambient Temperature (F) 150 F
Maximum Ambient Temperature (C) 66 C
Case Dimensions (in.) 5 5/8 in. high x 2 in. wide x 2 1/8 in. deep
Case Dimensions (mm) 143 mm high x 51 mm wide x 54 mm 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
Includes 3 in. (76 mm) insulation, stop factory-set at 240 F (116 C), and heat-conductive compound.
Tradeline Value Tradeline
Replaces Part Numbers: