Single-Stage Electromechanical Temperature Controls
A19 Industrial Thermostat (Watertight and Dusttight)
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.
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)
Pilot Duty
16.0 9.2 8.0
125 VA,
24 to 600 VAC
Selection Chart
Product
Code
Number
A19KNC-1C SPDT 0 to 150
Switch
Action
Range
°F (°C)
(-15 to 65)
Differential
F° (C°)
5 (2.8) fixed 3/10 x 2-1/2 in.
Bulb and
Capillary
10 ft. capillary
Code No. LIT-1927085
Bulb Well No.
(Order
Separately)
WEL16A-600R Knob
Range
Adjuster
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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