Honeywell T678A1445/U Remote Bulb Thermostat 55-175F 2-SPST 5ft Cap

SKU: T678A1445/U

Weight	3 lbs
Dimensions	12 × 11 × 5 in

$735.50

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

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Quantity	Unit price	Saving
1–4	$735.50	0%
5–9	$698.73	5%
10+	$661.95	10%

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Honeywell T678A1445/U Remote Bulb Thermostat 55-175F 2-SPST 5ft Cap

Specifications & product details

Honeywell T678A1445/U Remote Bulb Thermostat – 55°F to 175°F

Dual 2-SPST Switching | 5 ft Capillary | Adjustable Differential

The Honeywell T678A1445/U is a commercial-grade remote bulb temperature control designed for accurate regulation of air or liquid temperature in HVAC and hydronic systems.

Unlike single-switch models, this unit features 2-SPST switching, making it ideal for dual-stage control or separate circuit activation.

Key Specifications:

• Temperature Range: 55°F – 175°F
• Capillary Length: 5 ft
• Switching: 2-SPST
• Differential: 3.6°F fixed / 3.6°F–12°F adjustable
• Electrical Rating: 8A @ 120V / 5.1A @ 240V
• Bulb Size: 1/2″ x 4″

Common Applications:

✔ Boiler temperature control
✔ Hydronic heating systems
✔ Storage tank regulation
✔ HVAC duct sensing
✔ Dual-stage temperature circuits

Model: T678A1445/U
REM#: 2C510
Condition: Brand New

Product details

Part / SKU	T678A1445/U

Package includes

Honeywell T678A1445/U Remote Bulb Thermostat 55-175F 2-SPST 5ft Cap

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

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