A19ABC-12 Temperature Control
A19ABC-11
Temperature
Control
Single-Stage Electromechanical Temperature Controls
Code No. LIT-1927030
A19 Series Hot Water Temperature Control (Well Immersion)
Description
The A19 Series Temperature Controls are a universal replacement
control for open high or single-pole, double-throw (SPDT)
applications. The control is furnished with a well assembly for 1/2 in.
tapping.
Refer to the A19 Series Hot Water Heating Controls Well Immersion
Product Bulletin (LIT-125025) for important product application
information.
Features
• liquid-filled element provides rapid response to temperature
change
• adjustable differential
• universal replacement
Applications
This operating control is ideal for hot water boilers.
Selection Charts
A19 Series Hot Water Temperature Control (Well Immersion)
Product Code
Number
A19ABC-11C Open high (R-B)
A19ABC-12C 1/2 in.; 8 ft. capillary 290 (143)
A19ADB-2C High temperature
Replacement Parts
Product Code Number Description
CVR28A-617R Concealed adjustment cover
CVR28A-618R Visible scale cover
KNB20A-602R Knob kit
Application Switch
Action
Open low (R-Y)
lockout
Single-Pole,
Double-Throw
(SPDT)
Single-Pole,
Single-Throw
(SPST)
Open high with
lockout
Range
°F (°C)
100 to 240
(38 to 116)
100 to 240
(38 to 116)
Differential
F° (C°)
6 to 24
(3 to 13)
Manual reset
(locks out high)
Well Connector
Size–NPT
1/2 in. Convertible 250 (121)
1/2 in. Knob 250 (121)
Range
Adjuster
Max. Bulb Temp.
°F (°C)
Technical Specifications
Electrical Ratings
Motor Ratings VAC 120 240
AC Full Load A 10.0 6.0
AC Locked Rotor A 60.0 36.0
Pilot Duty 125 VA, 24 to 600 VAC
The performance specifications are nomina l and con form to accep table ind ustry stand ards. For applicati ons at con ditions be yond these specification s, consult th
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2015 Johnson Controls, Inc.
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