PRO1 IAQ T621-2 Digital Thermostat, Manual Heat/Cool, 18V AC
The PRO1 IAQ T621-2 is a square, push-button digital thermostat for heat-or-cool applications, operating on 18V AC with manual changeover and system settings for Cool, Emergency Heat, Heat, and Off. It features an…
SKU 3G-OTH-70492
Also listed as: T6212 · T621 2
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 PRO1 IAQ T621-2 is a square, push-button digital thermostat for heat-or-cool applications, operating on 18V AC with manual changeover and system settings for Cool, Emergency Heat, Heat, and Off. It features an easy-access battery compartment, Auto-On fan setting, a temperature control range of 44° to 90°F, and a selectable temperature differential of 0.2°F to 2°F. Terminal designations include B, and the thermostat mounts horizontally.
Frequently Asked Questions
What is the PRO1 IAQ T621-2 thermostat used for?
The PRO1 IAQ T621-2 is a digital thermostat for heat-or-cool applications in residential or light commercial HVAC systems. It provides manual changeover between Cool, Emergency Heat, Heat, and Off, with an Auto-On fan setting. It is suitable for 18V AC systems and includes an easy-access battery compartment.
What are the specifications of the PRO1 IAQ T621-2 thermostat?
The PRO1 IAQ T621-2 operates on 18V AC with a temperature control range of 44° to 90°F and a selectable temperature differential of 0.2°F to 2°F. It features push-button controls, a square shape, horizontal mounting, and terminal designations including B. System settings are Cool, Emergency Heat, Heat, and Off with manual changeover.
Where to buy the PRO1 IAQ T621-2 thermostat worldwide?
3G Electric supplies the PRO1 IAQ T621-2 thermostat to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this thermostat to meet your project needs.
How to install the PRO1 IAQ T621-2 thermostat?
To install the PRO1 IAQ T621-2, mount the thermostat horizontally on a wall, connect the 18V AC power and B terminal wiring per system requirements, and set the temperature differential (0.2°F to 2°F) and system settings (Cool, Emergency Heat, Heat, Off). Always follow local electrical codes and the manufacturer's instructions for safe installation.
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3G Electric supplies PRO1 IAQ digital thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
