837-A4A ALLEN BRADLEY
Allen-Bradley 837-A4A Temperature Control – Remote Bulb and Capillary
The Allen-Bradley 837-A4A is part of the ... Show More
The Allen-Bradley 837-A4A is part of the ... Show More
We sell industrial automation parts backed by our 2-year EcoTech Solutions Warranty.
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.
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Repair and exchange services for all existing automation products.
Drop shipping, blind shipping, and account shipping with no extra fees.
We sell industrial automation parts backed by our 2-year EcoTech Solutions Warranty.
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.
AMEX, Visa, MasterCard, Discover, wire transfer, and more, plus flexible payment plans.
Repair and exchange services for all existing automation products.
Drop shipping, blind shipping, and account shipping with no extra fees.
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.
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.
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
🌡️ 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
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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.