Product Info
Literature

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.

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.
Select direct or well immersion models include heat-conductive compound.
Select models have wells.

Product Specifications

Hazmat Information: UN 1294, TOLUENE, 3, II
Application: Circulator Control and High Limit or Low Limit
Dimensions (in.): Case--5 5/8 in. high x 2 in. wide x 2 1/8 in. deep
Dimensions (mm): Case--143 mm high x 51 mm wide x 54 mm deep
Temperature Range (F): Maximum--150 F
Temperature Range (C): Maximum--66 C
Includes: 1/2 in. well - 123869A
Mounting: Horizontal or Vertical
Electrical Ratings: Millivolt--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 Vac
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
Operating Temperature Range (F): 100 F to 240 F
Operating Temperature Range (C): 38 C to 116 C
Bulb Size (in.): 3/8 in. x 2 7/8 in. copper
Bulb Size (mm): 10 mm x 73 mm copper
Differential Temperature (F): 5 F to 30 F adj.
Differential Temperature (C): 3 C to 17 C adj.
Switching Action: SPDT
Capillary Length (in.): 1 1/2 in.
Well Spud Size (in.): 1/2 in.
Well Spud Size (mm): 13 mm
Capillary Length (mm): 38 mm