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.

Features

• Totally enclosed Micro Switch™ snap-acting switches operate on temperature rise to set point.
• Visible control point scale and external adjustment screw permit easy setting.
• Horizontal or vertical insertion of the sensing element.
• Direct, well immersion, or surface mounting of the sensing element available.
• Remote bulb model may be used to sense air temperature in ducts and in outside air sensing applications.
• Direct or well immersion Tradeline models include heat-conductive compound.
• Select models have wells.

Product Specifications

Hazmat InformationUN 1294, TOLUENE, 3, IIApplicationCirculator Control and High Limit or Low LimitDimensions (in.)Case--5 5/8 in. high x 2 in. wide x 2 1/8 in. deepDimensions (mm)Case--143 mm high x 51 mm wide x 54 mm deepTemperature Range (F)Maximum Ambient--150 FTemperature Range (C)Maximum Ambient--66 CIncludesStop factory-set at 240 F (116 C); Heat-conductive compoundMountingHorizontalElectrical RatingsMillivolt--0.25 A @ 0.25 to 12 Vdc; At Full Load-- 8A @ 120 Vac: 5.1A @ 240 Vac; At Locked Rotor-- 48A @ 120 Vac: 30.6A @ 240 VacApprovals, Underwriters Laboratories Inc.UL Component Recognized: File No. MP466, Vol. 6, Sec.1, Guide No. MBPR2Approvals, Canadian Standards AssociationCertified: File No. LR95329-1Operating Temperature Range (F)100 F to 240 FOperating Temperature Range (C)38 C to 116 CBulb Size (in.)3/8 in. x 2 7/8 in. copperBulb Size (mm)10 mm x 73 mm copperDifferential Temperature (F)5 F to 30 F adj.Differential Temperature (C)3 C to 17 C adj.Switching ActionSPDTCapillary Length (in.)3 in.Capillary Length (mm)76 mm