Honeywell T651A3018/U Analog Line-Voltage Thermostat
The HONEYWELL T651A3018/U is an analog thermostat for heat or cool applications, featuring an exposed dial control and a 1H/1C stage configuration. It operates on 120 to 277V AC with SPDT switch action (open/close on…
SKU 3G-OTH-70358
Also listed as: T651A3018U · T651A3018 U · T651A3018-U
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 HONEYWELL T651A3018/U is an analog thermostat for heat or cool applications, featuring an exposed dial control and a 1H/1C stage configuration. It operates on 120 to 277V AC with SPDT switch action (open/close on rise) and a temperature control range of 44° to 86°F. The system setting is Auto, and it has no fan setting.
Frequently Asked Questions
What is the HONEYWELL T651A3018/U thermostat used for?
The HONEYWELL T651A3018/U is an analog line-voltage thermostat used for heat or cool applications in commercial or industrial spaces. It controls 1H/1C stages with an exposed dial and auto system setting, operating on 120 to 277V AC. It is suitable for baseboard heaters, fan-coil units, or similar HVAC equipment requiring SPDT switching.
What are the specifications of the HONEYWELL T651A3018/U thermostat?
The HONEYWELL T651A3018/U is a line-voltage analog thermostat with SPDT switch action (open/close on rise). It has a temperature control range of 44° to 86°F, operates on 120 to 277V AC, and supports 1H/1C stages. The system setting is Auto, with no fan setting. Control type is exposed dial.
Where to buy the HONEYWELL T651A3018/U thermostat worldwide?
You can source the HONEYWELL T651A3018/U thermostat through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable sourcing for this analog thermostat.
How to install the HONEYWELL T651A3018/U line-voltage thermostat?
Install the HONEYWELL T651A3018/U by first turning off power at the circuit breaker. Mount the thermostat to a standard junction box, connect line and load wires per the SPDT wiring diagram (open/close on rise), and secure the exposed dial cover. Ensure voltage matches 120 to 277V AC. Test operation after power is restored.
Used in
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3G Electric supplies Honeywell analog thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
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Compatible alternatives & equivalents
- HONEYWELL HOME Analog thermostat for heat-only control of single-stage heating systems. Features a dial control with a one-piece vented cover and SPST switch action. Operates at 120, 208, 240, or 277 volts AC. Temperature range 40 to 80 degrees Fahrenheit
- Honeywell Digital proportional thermostat for heat and cool applications. Operates on 24V AC with a 0–10V DC output signal. Features push-button control, automatic and manual changeover, and system settings of Heat-Cool-Off. Temperature control range: 50° to 95°F. Mounts vertically in a rectangular shape with terminal designations for Open Closed