I have the model a19abc-24 without the c, would this work for it as well?

Hi Sam! This unit is the same and will work just fine. Have a great day!

How do you wire this to a refrigerator?

It’s a switch so you break one side of the compressor circuit. Using the top and bottom terminals; com and n/c.

can the capillary be shortened or cut?

It probably could be but its best not to. It will void the warranty and it really isn't necessary. You can fold or roll up the extra lead wire and it will not affect the proper operation.

how long is the sensor

Their website says “3/8”x 4” bulb w/8’ capillary.

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Johnson Controls A19ABC-24C A19 Series Remote Bulb. Control,

Product ID: 384882342

Details

Brand
Johnson
Colour
Grey
Controller type
remote
Model name
A19ABC-24C
Special features
2 way

⚙️SPDT 2-way switch

🌡️Wide temp range

🛠️Compact & durable steel

Description

🌡️ Control your climate, command your comfort.

EFFORTLESS INSTALLATION - Straightforward setup saves time—perfect for busy pros.
TRUSTED BRAND RELIABILITY - Johnson Controls quality with 4.7-star user satisfaction.
VERSATILE 2 WAY SWITCHING - SPDT switch action adapts seamlessly to diverse HVAC setups.
PRECISION TEMPERATURE CONTROL - Wide sensing range ensures reliable heating & cooling management.
ROBUST GALVANIZED STEEL ENCLOSURE - Durable, compact design built to last in demanding environments.

The A19ABC-24C is a professional-grade line voltage thermostat featuring a bulb sensor and SPDT switch for precise heating and cooling control. Housed in a compact galvanized steel enclosure, it supports wide temperature ranges and offers fixed or adjustable differentials. Ideal for HVAC applications, this reliable, easy-to-install unit delivers consistent performance backed by Johnson Controls’ trusted engineering.

Specifications

ASIN	B004IRDZXA
Additional Features	2 way switching
Best Sellers Rank	#208,844 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #32 in HVAC Controls
Brand	Johnson Controls
Brand Name	Johnson Controls
Color	Grey
Colour	Grey
Connectivity Protocol	Infrared (IR)
Connectivity Technology	IR
Control Method	Push Button
Controller Type	remote
Controller type	remote
Customer Reviews	4.7 out of 5 stars 101 Reviews
Display Type	analog
Finish Types	Matte
Global Trade Identification Number	10785028084092
Included Components	Sensor Bulb
Item Weight	408 g
Manufacturer Part Number	A19ABC-24C
Material Type	Alloy Steel
Model Name	A19ABC-24C
Model Number	A19ABC-24C
Model name	A19ABC-24C
Mounting Type	Wall Mount
Power Source	electrical
Product Style	Classic
Shape	A-shape
Smart Home Compatibility	Not Smart Home Compatible
Special features	2 way switching
Specific Uses For Product	personal
Specific uses for product	personal
Temperature Control Type	Heating and Cooling
UPC	662766302110 785028213808
Unit Count	1.0 Count
Wattage	16 watts

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