837-A4A ALLEN BRADLEY

Name: 837-A4A ALLEN BRADLEY
Brand: EcoTech Solutions Inc.
SKU: WJY-JU6-ZR8
Price: 778.0 USD
Availability: InStock

Allen-Bradley 837-A4A Temperature Control – Remote Bulb and Capillary

The Allen-Bradley 837-A4A is part of the ... Show More

Condition

Original Packaging $778.00
Surplus Original Packaging
Surplus Original Packaging product is product that has never been used and sourced through a surplus supplier - Never used in a production environment, but may have been powered on for testing - No visible signs of handling, use or damage - Has original packaging if applicable - May or may not have original manufacturers' seal on box - Comes with Ecotech Solutions standard 2-year warranty. Original manufacturer warranty may not apply. - Includes all hardware and accessories that come with factory new version of product - May or may not include instructions that come with factory new version of product - Product may be older date codes or series than that available direct from the factory or authorized dealers. - The products may vary as to country of origin and the language used on the packaging - Product packaging may show shelf wear

EcoTech Packaging $656.25
Surplus Alternate Packaging
Surplus Alternate Packaging product is product that has never been used and sourced through a surplus supplier - Never used in a production environment, but may have been powered on for testing. - Product may have light superficial signs of handling, but no signs of use or damage - May or may not have original packaging. If original packaging is unavailable product will generally be packaged in aftermarket or EcoTech Solutions branded packaging - May be missing hardware, accessories, or instructions that come with factory new version of product - Comes with Radwell standard 2-year warranty. Original manufacturer warranty may not apply. - Product may be older date codes or series than that available direct from the factory or authorized dealers - The products may vary as to country of origin and the language used on the packaging - Product may have any writing on the box that didn't come from OEM

Refurbished $598.45
Used, Repaired & Tested
Refurbished product is product that has been previously used, or is unused but has cosmetic defects that would prevent it from being classified as Surplus Alternate Packaging or Surplus Original Packaging. - May have been used in a production environment - May or may not include original packaging, or original packaging may have shelf wear (in which case product may be repackaged in aftermarket or Ecotech branded packaging) - Comes with EcoTech Solutions standard 2-year warranty. Original manufacturer warranty may not apply.

Quantity

Quantity

Need a Specific Revision?

Warranty

We sell industrial automation parts backed by our 2-year EcoTech Solutions Warranty.

Shipping

Many Items Ship Same-day, and many Ship in 3 Business Days. Rush Service is available for domestic and expedited international shipping with UPS, FedEx, DHL, and more.

Payment Methods

AMEX, Visa, MasterCard, Discover, wire transfer, and more, plus flexible payment plans.

Repairs & Exchanges

Repair and exchange services for all existing automation products.

Reseller Options

Drop shipping, blind shipping, and account shipping with no extra fees.

Warranty

We sell industrial automation parts backed by our 2-year EcoTech Solutions Warranty.

Shipping

Many Items Ship Same-day, and many Ship in 3 Business Days. Rush Service is available for domestic and expedited international shipping with UPS, FedEx, DHL, and more.

Payment Methods

AMEX, Visa, MasterCard, Discover, wire transfer, and more, plus flexible payment plans.

Repairs & Exchanges

Repair and exchange services for all existing automation products.

Reseller Options

Drop shipping, blind shipping, and account shipping with no extra fees.

Technical specifications

Manufacturer

Rockwell Automation

Brand

Allen Bradley

Controller

Part Number/Catalog No.

837-A4A

I/O Count

Input Type

Memory:

Communication port:

Analog Circuits

Protocol:

DISCONTINUED BY MANUFACTURER

Rockwell Disclaimer:The product is used surplus. EcoTech Solutions Inc. is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because EcoTech Solutions Inc. is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, EcoTech Solutions Inc. makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. EcoTech Solutions Inc. also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. EcoTech Solutions Inc. also makes no representations as to your right to install any such firmware on the product. EcoTech Solutions Inc. will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Description

Allen-Bradley 837-A4A Temperature Control – Remote Bulb and Capillary

The Allen-Bradley 837-A4A is part of the Bulletin 837 Series A line of electromechanical temperature control devices, designed to provide accurate and reliable temperature regulation for industrial and commercial applications. This model features a remote bulb and capillary design, allowing flexible installation and temperature sensing away from the main control unit.

Key Specifications:

Catalog Number: 837-A4A

Series: A

Temperature Range: 80°F to 190°F (27°C to 88°C)

Device Style: A (Standard Enclosure)

Sensor Type: Remote Bulb with Capillary

Capillary Length: Typically 6 ft (1.8 m) – consult datasheet for exact length

Enclosure Type: NEMA Type 1 – suitable for indoor, general-purpose use

Output Type: SPDT (Single Pole, Double Throw) switch

SOP: Standard Operating Protocol

Manufacturer Code: 10781180897532

Features & Benefits:

🌡️ Remote Sensing: Ideal for hard-to-reach or confined areas where localized sensing isn't practical

🔧 Rugged Mechanical Design: Built to withstand vibration, dust, and moderate industrial environments

⚙️ Easy Installation: Mountable in control panels or directly on machinery

🔄 Reliable Switching: Electromechanical operation ensures dependable actuation at setpoints

🧩 Versatile Applications: Suitable for HVAC systems, boilers, process control, and equipment temperature monitoring

Revisions

Revision Part #

Also known as

837-A4A ALLEN BRADLEY

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Alternative names

Alternates
Common Typos
B37-A4A
Appended Numbers
837-A4A-A
837-A4A-B
837-A4A-C
837-A4A-D
837-A4A-E
837-A4A-F
837-A4A-G
837-A4A-H
837-A4A-I
837-A4A-J
837-A4A-K
837-A4A-L
837-A4A-M
837-A4A-N
837-A4A-O
837-A4A-P
837-A4A-Q
837-A4A-R
837-A4A-S
837-A4A-T
837-A4A-U
837-A4A-V
837-A4A-W
837-A4A-X
837-A4A-Y
837-A4A-Z

Technical notes

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Part Number / Comments* 837-A4A ALLEN BRADLEY

EcoTech Solutions sells used surplus products. EcoTech Solutions is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by EcoTech Solutions come with EcoTech Solution's 2-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.
Rockwell Disclaimer:The product is used surplus. EcoTech Solutions is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because EcoTech Solutions is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, EcoTech Solutions makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. EcoTech Solutions also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. EcoTech Solutions also makes no representations as to your right to install any such firmware on the product. EcoTech Solutions will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.