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0/70F 5' SPDT 12/40F ADJ DIFF A19 Series Utility Thermostat for Farm, Industrial and Commercial Use

Price: $281.24
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Manufacturer: Johnson Controls

Description: 0/70F 5' SPDT 12/40F ADJ DIFF

Category: Temperature Controls

A19 Series Utility Thermostats for Farm,
Industrial and Commercial Use


These temperature controls are designed to cover a
broad range of uses for heating and general purpose
requirements. Controls
have SPST contacts which open on temperature
increase or they may be supplied in single-pole,
double-throw contact action.
Various control ranges are available to cover working
temperatures from -30 to 50° F (-34 to 288° C).
Closed tank fittings and bulb wells are available for
immersion applications.
These controls are designed for open low and open
high applications. Where critical or high value
products are to be maintained within a specific
temperature differential, a single control should not
be applied to function as both an open low and open
high control. In these applications, a separate backup
control with alarm contacts should be wired to
indicate when the back-up control operates.


· Dependability -- precision snap-acting dusttight

· Dependability -- low volume, responsive liquid
filled sensing elements.

· Wide choice of temperature control functions with
a minimum number of models.

· Precision “repeat” accuracy which is unaffected by
barometric pressure and cross ambient problems.

· Special close differential models available.

General Description

The Series A19 is a small, compact control with

adjustable or fixed differential. Controls supplied with

adjustable differential have an internal scale plate

indicating increments of differential. The controls are

supplied with adjusting lever at minimum differential

stamped on the control. To adjust move the lever to

the differential required. Models are available with or

without external range adjustment and visible scale.

External range adjustment may be by screwdriver slot

or range adjusting knob.

A built-in high cutout stop is an integral part of these

controls and may be adjusted quickly and easily in the


Replaces Part Numbers: A19ZBC-6, CARA19ZBC-6

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