Honeywell Line Volt Mechanical Tstat: 0° to 100°F, Steel, Adj, 3° to 10°F
The Honeywell T678A1015 is an indoor single-stage line-voltage mechanical thermostat with a temperature control range of 0° to 100°F and an adjustable differential of 3° to 10°F. It features a steel enclosure, SPDT…
SKU 3G-OTH-68135
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Product Description
The Honeywell T678A1015 is an indoor single-stage line-voltage mechanical thermostat with a temperature control range of 0° to 100°F and an adjustable differential of 3° to 10°F. It features a steel enclosure, SPDT switch action (open/close on rise), and operates on 120 to 277V AC. The unit includes a 20 ft capillary with a 4-3/16 in x 1/2 in bulb and a defrost termination range of 0° to 100°F.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the Honeywell T678A1015 line volt mechanical thermostat used for?
The Honeywell T678A1015 is used for indoor single-stage temperature control in commercial or industrial HVAC applications. It manages heating or cooling equipment by opening or closing on temperature rise, with a range of 0° to 100°F and an adjustable differential of 3° to 10°F.
What are the specifications of the Honeywell T678A1015 thermostat?
The Honeywell T678A1015 has a temperature control range of 0° to 100°F, an adjustable differential of 3° to 10°F, and operates on 120 to 277V AC. It features a steel enclosure, SPDT switch action (open/close on rise), a 20 ft capillary with a 4-3/16 in x 1/2 in bulb, and defrost termination from 0° to 100°F.
Where to buy the Honeywell T678A1015 thermostat worldwide?
You can source the Honeywell T678A1015 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 on this Honeywell part.
How to install the Honeywell T678A1015 line volt thermostat?
Install the Honeywell T678A1015 by mounting the steel enclosure securely, routing the 20 ft capillary and bulb to the sensing location, and wiring the SPDT switch per the voltage rating (120 to 277V AC). Set the temperature control range and adjustable differential as needed. Always follow local electrical codes and the manufacturer's instructions.
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3G Electric supplies Honeywell indoor single-stage controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.





