Immersion-type controllers that combine high limit protection with switching relay control of burner and circulator motors.
Features
High limit opens burner circuit only.
Select models include transformer and accessory terminals for adding a remote low limit controller.
Case available for horizontal or vertical mounting.
Requires a 24 Vac thermostat with heat anticipator set at 0.2A.
TRADELINE models include well adapter, tube of heat conductive compound and range stops..
Product Specifications
Hazmat Information
UN1294 Toluene
Application
High Limit
Dimensions (in.)
4 5/16 in. high x 6 1/8 in. wide x 3 1/8 in. deep
Dimensions (mm)
110 mm high x 156 mm wide x 79 mm deep
Maximum Safe Operating Pressure (psi)
Immersion Well: 255 psi
Maximum Safe Operating Pressure (kPa)
Immersion Well: 1757 kPa
Temperature Range (F)
Maximum--150 F with 1.2 A 24 V load, 77 F with 1.4 A 24 V load
Temperature Range (C)
Maximum--66 C with 1.2 A 24 V load, 25 C with 1.4 A 24 V load
Mounting
Horizontal
Electrical Ratings
0.25 A @ 0.25 to 12 Vdc, At Locked Rotor-- 44.4A @ 120 Vac: 22.2A @ 240 Vac
Frequency
60 Hz
Approvals, Underwriters Laboratories Inc.
UL Listed: File No. MP466, Vol. 13, Sec. 2, Guide No. MBPR2.
Approvals, Canadian Standards Association
Certified: File No. LR1620, Guide No. 400-E-O
Electrical Connections
Quick-Connect / Screw
Operating Humidity Range (% RH)
0 to 95% RH, non-condensing
Voltage
120 Vac
Operating Temperature Range (F)
High Limit-- 180 F to 240 F
Operating Temperature Range (C)
High Limit-- 82 C to 116 C
Differential Temperature (F)
15 F fixed
Switching Action
SPST: High Limit & Circulator
Anticipator Setting
0.2 A
Capillary Length (in.)
4 1/2 in.
Well Spud Size (in.)
3/4 in. - 14 NPT
Well Spud Size (mm)
19 mm - 14 NPT
Insulation Depth (in.)
1 1/2 in. to 3 in. less well.
Insulation Depth (mm)
38 mm to 76 mm less well
Capillary Length (mm)
114 mm
Electrical Ratings, Burner
At Full Load-- Line Voltage: 7.4 A @ 120 Vac: 3.7 A @ 240 Vac, At Locked Rotor-- Line Voltage: 44.4 A @ 120 Vac: 22.7 A @ 240 Vac, Millivolt--0.25 A @ 1/4 to 12 Vdc
Electrical Ratings, Circulator
At Full Load-- 7.4 A @ 120 Vac: 3.7 A @ 240 Vac, At Locked Rotor-- 44.4 A @ 120 Vac: 22.2 A @ 240 Vac
