Johnson Controls A421ABC-06C Electronic Temperature Control, Single Stage
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Johnson Controls A421ABC-06C Electronic Temperature Control, Single Stage
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
物品 #: 98428311

Johnson Controls A421ABC-06C Electronic Temperature Control, Single Stage

90% of respondents would recommend this to a friend

物品 #: 98428311

HKD 1410

Price Details

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

*All items will import from 美國

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現在訂購，約可在下列時間收貨： Monday, 九月 21
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Experience precise temperature control with the A421 Series, featuring a bright backlit LCD and easy setup for your heating and cooling needs.
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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.

產品詳情

Shop Johnson Controls A421ABC-06C Electronic Temperature Control, Single Stage online at a best price in 香港. B01J02BLCY
Brand NameJohnson Controls
UPC696334315226
Unit Count1 Count
Global Trade Identification Number10662011536618
ManufacturerJohnson Controls Inc
Number of Items1
Item Type NameJohnson Controls
ModelA421ABC-06C
Part NumberA421ABC-06C
Display TypeLCD
Operating Temperature212 u00b0F
ColorGrey
BrandJohnson Controls
Item Weight1 lbs (450 grams)

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.

產品敘述

Johnson Controls A421ABC-06C Electronic Temperature Control, Single Stage

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客戶問題與解答

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

    回答: 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.
  • 題: Can the Johnson Controls A421ABC-06C be used in both heating and cooling applications?

    回答: 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.
  • 題: What are the compatible systems for the A421ABC-06C controller?

    回答: 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.
  • 題: How does the A421ABC-06C ensure energy efficiency?

    回答: 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.
  • 題: What is the significance of the 19.5 ft. (6m) sensor lead on this control unit?

    回答: 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.
  • 題: Is the Johnson Controls A421ABC-06C suitable for residential use?

    回答: 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.
  • 題: How user-friendly is the A421ABC-06C for installation?

    回答: 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.
  • 題: What is the range of temperature control with the A421ABC-06C?

    回答: 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.
  • 題: Can the A421ABC-06C integrate with home automation systems?

    回答: 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.
  • 題: Where can I buy Johnson Controls A421ABC-06C Electronic Temperature Control, Single Stage,19.5 ft. (6m) in Hong Kong?

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

Johnson Controls Temperature Controllers Editorial Review

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優點

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

缺點

  • Wiring instructions could be clearer.

Platform Trust & Buyer Confidence

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3.8/5 96 評論
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FZ
F Zhang
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“Good product, and smooth delivery!”

18-Jul-26 · via Trustpilot
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Roxy
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“Great products and services”

17 April 2026 · via Trustpilot
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Khushi
Verified buyer

“Ubuy Hong Kong is a game-changer. I was looking for a specific American brand that doesn't ship to Asia, and Ubuy had it in stock. The selection of global products is incredible. It saves me the hassle of using freight forwarders or asking friends to bring items over. The process was seamless from checkout to delivery”

6 July 2026 · via Trustpilot
KM
kritika
Verified buyer

“I?m always nervous buying electronics and skincare online, but Ubuy Hong Kong delivered exactly what I ordered and it was 100% genuine. It?s refreshing to find a platform that you can actually trust with premium brands. Will definitely be a returning customer.”

3 July 2026 · via Trustpilot
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Sam
Verified buyer

“Great product, good packing, the goods arrived quickly and well protected.”

6 June 2026 · via Trustpilot
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HKD 1410

現在訂購，約可在下列時間收貨： Monday, 九月 21

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特色和優勢

  • 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.

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