JOHNSON CONTROLS Temperature Control: Single Stages, Heat and Cool, -40°F to 212°F, Digital
The JOHNSON CONTROLS A421ABC-02C is a single-stage electronic temperature control for boiler applications. It operates with a 120V AC input voltage and is compatible with the A99 series. The digital control features…
SKU 3G-OTH-68525
Also listed as: A421ABC02C · A421ABC 02C
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The JOHNSON CONTROLS A421ABC-02C is a single-stage electronic temperature control for boiler applications. It operates with a 120V AC input voltage and is compatible with the A99 series. The digital control features a single SPDT output and a temperature range of -40°F to 212°F.
Frequently Asked Questions
What is the Johnson Controls A421ABC-02C temperature control used for?
The Johnson Controls A421ABC-02C is a single-stage electronic temperature control designed for boiler applications. It provides heat and cool control with a digital display, a single SPDT output, and a temperature range of -40°F to 212°F, making it suitable for industrial heating systems.
What are the specifications of the Johnson Controls A421ABC-02C?
The Johnson Controls A421ABC-02C operates on 120V AC input voltage and is compatible with the A99 series sensors. It features a single SPDT output, digital control, and a temperature range of -40°F to 212°F. It is a single-stage control for boiler applications with no variable output voltage.
Where to buy the Johnson Controls A421ABC-02C worldwide?
3G Electric supplies the Johnson Controls A421ABC-02C temperature control to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders. Contact us for availability and lead time on this boiler control part.
How to install the Johnson Controls A421ABC-02C temperature control?
Install the Johnson Controls A421ABC-02C by mounting it in a suitable enclosure, wiring the 120V AC input and SPDT output per the wiring diagram, and connecting a compatible A99 series sensor. Follow standard electrical safety practices and consult the manufacturer's manual for specific settings.
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3G Electric supplies JOHNSON CONTROLS single-stage electronic temperature controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
