JOHNSON CONTROLS Temperature Control: Single Stages, Heat or Cool, -40°F to 212°F, Digital
The JOHNSON CONTROLS A421GBF-02 is a single-stage electronic temperature control designed for boiler control applications. It operates on 24V AC input voltage and features a digital display with a temperature range…
SKU 3G-OTH-68708
Also listed as: A421GBF02 · A421GBF 02
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The JOHNSON CONTROLS A421GBF-02 is a single-stage electronic temperature control designed for boiler control applications. It operates on 24V AC input voltage and features a digital display with a temperature range of -40°F to 212°F, utilizing a single-pole, double-throw (SPDT) switching action. This model does not provide variable output voltage.
Frequently Asked Questions
What is the JOHNSON CONTROLS A421GBF-02 used for?
The JOHNSON CONTROLS A421GBF-02 is a single-stage electronic temperature control used for boiler control applications. It maintains temperature within a range of -40°F to 212°F using a SPDT switching action and operates on 24V AC input voltage.
What are the specifications of the JOHNSON CONTROLS A421GBF-02?
The JOHNSON CONTROLS A421GBF-02 is a single-stage temperature control with a digital display, SPDT switching, and a temperature range of -40°F to 212°F. It operates on 24V AC input voltage and does not provide variable output voltage. It is designed for boiler control applications.
Where to buy the JOHNSON CONTROLS A421GBF-02 worldwide?
3G Electric supplies the JOHNSON CONTROLS A421GBF-02 temperature control to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this boiler control to your facility, regardless of location.
How to install the JOHNSON CONTROLS A421GBF-02?
Install the JOHNSON CONTROLS A421GBF-02 by mounting it in a dry location, connecting the 24V AC power supply, and wiring the SPDT contacts per the boiler control schematic. Set the desired temperature within the -40°F to 212°F range using the digital interface. Always follow local electrical codes.
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Common applications for JOHNSON CONTROLSJOHNSON CONTROLS Products
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.
