JohnsonControls
0 ratings
Johnson Controls A421ABC-06C Electronic Temperature Control, Single Stage,19.5 ft. 6m
genuine image
Johnson Controls A421ABC-06C Electronic Temperature Control, Single Stage,19.5 ft. 6m
Experience precise temperature control with the A421 Series, featuring a bright backlit LCD and easy setup for your heating and cooling needs.
Johnson Controls A421ABC-06C Electronic Temperature Control, Single Stage,19.5 ft. 6m
Item #: 98428311

Johnson Controls A421ABC-06C Electronic Temperature Control, Single Stage,19.5 ft. 6m

Item #: 98428311

€ 143

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Monday, September 07
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Experience precise temperature control with the A421 Series, featuring a bright backlit LCD and easy setup for your heating and cooling needs.
U-Care Warranty:
None
Select a Plan
buy now pay later

Buy Now Pay Later

fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
sofort payment
klarna payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Precise Temperature Regulation
The Johnson Controls A421ABC-06C offers accurate single-stage temperature control, ensuring optimal performance and energy savings for HVAC systems in both residential and commercial settings.
Long Sensor Reach
With a 19.5 ft. sensor cable, this control unit allows flexible installation options, making it ideal for varied environments where temperature readings are needed from a distance.
User-Friendly Interface
The intuitive design and easy-to-read display enhance usability, making installation and adjustments straightforward even for those with minimal technical expertise.

Product Details

Shop Johnson Controls A421ABC-06C Electronic Temperature Control, Single Stage,19.5 ft. 6m online at a best price in Spain. B01J02BLCY
Brand NameJohnson Controls
UPC696334315226
Global Trade Identification Number10662011536618
ManufacturerJohnson Controls Inc
Part NumberA421ABC-06C
ModelA421ABC-06C
Included ComponentsA99BB-600C Temperature Sensor
Unit Count1.0 Count
Item Type NameJohnson Controls
Display TypeLCD
Operating Temperature212 Degrees Fahrenheit
ColorGrey
Item Weight1 Pounds (450 grams)
BrandJohnson Controls

Who Should Buy?

Suitable For
  • HVAC Technicians

    Ideal for HVAC professionals who require a reliable and precise temperature control solution for various installations.

  • Refrigeration Systems

    Beneficial for those managing refrigeration systems needing accurate temperature regulation for optimal performance.

  • Industrial Applications

    Suitable for industrial environments where electronic temperature control can enhance process efficiency and equipment longevity.

Not Suitable For
  • Home Users

    Not ideal for casual home users seeking simple, user-friendly temperature controls without complex features.

Product Description

Johnson Controls A421ABC-06C Electronic Temperature Control, Single Stage,19.5 ft. 6m

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the primary function of the Johnson Controls A421ABC-06C Electronic Temperature Control?

    Answer: The Johnson Controls A421ABC-06C is designed to monitor and regulate temperature in a single-stage heating or cooling system. It ensures the desired temperature is maintained, providing comfort and efficiency. This model features a setpoint which can be adjusted based on user preferences. For example, in a greenhouse, it can help maintain optimal conditions for plant growth by preventing overheating or excessive cooling.
  • Question: Can the Johnson Controls A421ABC-06C be used in both heating and cooling applications?

    Answer: Yes, the A421ABC-06C is versatile and can be employed in both heating and cooling setups. It allows for seamless transition between systems, making it ideal for environments that may require temperature regulation year-round. This capability is particularly beneficial in climate-controlled storage facilities, ensuring that fragile items are kept at favorable temperatures regardless of external conditions.
  • Question: What are the compatible systems for the A421ABC-06C controller?

    Answer: The A421ABC-06C is suitable for single-stage HVAC systems, integrating easily with electric and gas-fired heating units, as well as HVAC air conditioning systems. The device's compatibility extends to various commercial and residential setups, including packaged units and split system air conditioners. This versatility makes it a go-to option for technicians working across different installations.
  • Question: How does the A421ABC-06C ensure energy efficiency?

    Answer: The A421ABC-06C promotes energy efficiency by accurately controlling the operation of HVAC systems according to set parameters. By maintaining a stable temperature without unnecessary fluctuations, it reduces energy consumption. For instance, in a commercial kitchen, it can regulate temperature to minimize the operation time of cooling units, resulting in lower energy costs while preserving ingredients.
  • Question: What is the significance of the 19.5 ft. (6m) sensor lead on this control unit?

    Answer: The 19.5 ft. (6m) sensor lead provides flexibility in installation, allowing the temperature sensor to be placed in an optimal location away from direct heat or cold drafts. This ensures accurate temperature readings. For example, in a large warehouse, placing the sensor farther from the HVAC unit can avoid misreading air temperature caused by proximity to vents, leading to more reliable climate control.
  • Question: Is the Johnson Controls A421ABC-06C suitable for residential use?

    Answer: Absolutely, the A421ABC-06C is perfectly suited for residential applications. Homeowners can utilize this programmable controller to maintain ideal comfort levels in spaces like living rooms or basements. With the ability to set specific temperature goals, it enhances residents’ comfort while potentially impacting energy bills positively by optimizing HVAC operation.
  • Question: How user-friendly is the A421ABC-06C for installation?

    Answer: The A421ABC-06C is designed for straightforward installation, featuring clear terminal markings that simplify wiring. Users with basic electrical knowledge can install it without professional assistance, following the provided instructions. For example, homeowners upgrading their thermostat can install the A421ABC-06C to enhance control over their HVAC systems with minimal hassle.
  • Question: What is the range of temperature control with the A421ABC-06C?

    Answer: The A421ABC-06C typically operates within a wide temperature range, allowing for customized user settings. It can manage environments from highly specialized settings, like refrigeration units, to standard room temperatures in residential properties. This flexibility makes it particularly advantageous for those needing to accommodate specific climate requirements such as for laboratories, mortuaries, or food storage.
  • Question: Can the A421ABC-06C integrate with home automation systems?

    Answer: Yes, while the A421ABC-06C is not inherently a smart device, it can be integrated with certain home automation systems through additional adapters or controllers. Users can achieve remote monitoring and control, allowing for greater convenience and efficiency. For instance, if connected to a smart home hub, homeowners can adjust their HVAC settings via smartphone apps, enhancing comfort from anywhere.
  • Question: Where can I buy Johnson Controls A421ABC-06C Electronic Temperature Control, Single Stage,19.5 ft. (6m) in Spain?

    Answer: You can purchase the Johnson Controls A421ABC-06C Electronic Temperature Control from Ubuy in Spain. Ubuy offers a diverse selection of HVAC control products, ensuring you can find the right solutions for your heating and cooling needs.

JohnsonControls Temperature Controllers Editorial Review

No editorial reviews found

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Easy to install
  • Accurate temperature control
  • Durable and reliable
  • Compact design
  • User-friendly interface

Cons

  • Wiring instructions could be clearer.

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

€ 143

Order now and get it around Monday, September 07

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Single-stage temperature control with SPDT output relay.
  • Bright, adjustable backlit LCD for clear visibility.
  • Three-button touchpad for simple setup and user restriction.
  • Temperature range of -40 to 212°F or -40 to 100°C.
  • Options for standard and watertight, corrosion-resistant enclosures.
  • Easy programming for both basic and advanced control applications.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.