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The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson Controls office.
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2015 Johnson Controls, Inc. www.johnsoncontrols.com
R-35
A19KNC-1 Thermostat
Description
The A19 Industrial Thermostat is a wide range
temperature control with rainproof enclosure,
single-pole, double-throw (SPDT) switch, and
5F° fixed differential.
Refer to the A19 Series Hot Water Heating
Controls Well Immersion Product Bulletin
(LIT-125025) for important product application
information.
Features
rugged steel enclosure
liquid filled sensing element (provides
uniform control)
Applications
Use for refrigeration, air conditioning, and
heating applications that require a NEMA 4
watertight and dusttight enclosure.
Accessories
Order code number WEL16A-600R bulb well,
if required.
Selection Chart
Product
Code
Number
Switch
Action
Range
°F (°C)
Differential
F° (C°)
Bulb and
Capillary
Bulb Well No.
(Order
Separately)
Range
Adjuster
A19KNC-1C SPDT 0 to 150
(-15 to 65)
5 (2.8) fixed 3/10 x 2-1/2 in.
10 ft. capillary
WEL16A-600R Knob
Repair Information
If the A19 Industrial Thermostat (Watertight and
Dusttight) fails to operate within its
specifications, replace the unit. For a
replacement thermostat, contact the nearest
Johnson
Controls®
representative.
Technical Specifications
Electrical Ratings
Motor Ratings VAC 120 208 240
AC Full Load A 16.0 9.2 8.0
AC Locked Rotor A 96.0 55.2 48.0
Non-Inductive or
Resistance Load A
(Not Lamp Loads)
16.0 9.2 8.0
Pilot Duty
125 VA,
24 to 600 VAC
A19 Industrial Thermostat (Watertight and Dusttight)
Single-Stage Electromechanical Temperature Controls
Code No. LIT-1927085