• 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.130-270F TEMP RANGE, 240F STOP 0| Overview | 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. |
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| Electrical Ratings | At Full Load-- 8A @ 120 Vac: 5.1A @ 240 Vac; At Locked Rotor-- 48A @ 120 Vac: 30.6A @ 240 Vac |
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| Application | High Limit; Manual Reset |
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| Bulb Size (in.) | 3/8 in. x 2 7/8 in. copper |
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| Bulb Size (mm) | 10 mm x 73 mm copper |
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| Well Spud Size (in.) | 3/4 in. - 14 NPT |
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| Well Spud Size (mm) | 19 mm - 14 NPT |
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| Switching Action | SPST, contacts break on temperature rise. |
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| Operating Temperature Range (F) | 100 F to 240 F |
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| Operating Temperature Range (C) | 38 C to 116 C |
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| Capillary Length (in.) | 1 1/2 in. |
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| Electrical Ratings (Full Load) | 1.3A @ 240 Vac; 2.6A @ 120 Vac |
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| Dimensions (mm) | Case--143 mm high x 51 mm wide x 54 mm deep |
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| Electrical Ratings (Locked Rotor) | 30.6A @ 240 Vac; 48A @ 120 Vac |
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| Electrical Ratings (AFL) | 1.3A @ 240 Vac |
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| Electrical Ratings (ALR) | 48A @ 120 Vac |
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| Differential Temperature (F) | Manual Reset |
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| Differential Temperature (C) | Manual Reset |
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| Maximum Ambient Temperature (F) | 150 F |
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| Maximum Ambient Temperature (C) | 66 C |
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| Case Dimensions (in.) | 5 5/8 in. high x 2 in. wide x 2 1/8 in. deep |
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| Case Dimensions (mm) | 143 mm high x 51 mm wide x 54 mm deep |
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| Mounting | Horizontal or Vertical |
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| Approvals, Underwriters Laboratories Inc | UL Component Recognized: File No. MP466, Vol. 6, Sec.1, Guide No. MBPR2 |
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| Approvals, Canadian Standards Association | Certified: File No. LR95329-1 |
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| Approvals, American Gas Association IAS | AGA Certified |
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| Includes | 3/4 in. well - 123870A |
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| Capillary Length (mm) | 38 mm |
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Product Family
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