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JOHNSON CONTROLS Line Volt Mechanical Tstat: 15° to 55°F, Steel, Manual Reset - Two-Circuit Indoor Single-Stage Controls
JOHNSON CONTROLSTwo-Circuit Indoor Single-Stage Controls

JOHNSON CONTROLS Line Volt Mechanical Tstat: 15° to 55°F, Steel, Manual Reset

The JOHNSON CONTROLS A70HA-1C is a two-circuit indoor single-stage control with a temperature control range of 15° to 55°F and a 5°F differential. It features a manual reset, SPST switch action (open/close on rise)…

SKU 3G-OTH-67737

Brand
JOHNSON CONTROLS
Item
Line Volt Mechanical Tstat: 15° to 55°F, Steel, Manual Reset
Category
Two-Circuit Indoor Single-Stage Controls
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
A70HA-1C
Type
Steel, Manual Reset, 5°F
Voltage
120 to 600V AC
Differential Type
Manual Reset
Enclosure Material
Steel
Switch Type/Action
SPST, Open/Close on Rise
Temperature Differential
5°F
Temperature Control Range
15° to 55°F
Capillary Length/Bulb Diameter
20 ft Capillary, 20 ft x 1/8 in Bulb
View Full Spec Sheet

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JOHNSON CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON CONTROLS A70HA-1C is a two-circuit indoor single-stage control with a temperature control range of 15° to 55°F and a 5°F differential. It features a manual reset, SPST switch action (open/close on rise), and operates on 120 to 600V AC. The unit includes a 20 ft capillary with a 20 ft x 1/8 in bulb and is housed in a steel enclosure.

Frequently Asked Questions

What is the JOHNSON CONTROLS A70HA-1C used for?

The JOHNSON CONTROLS A70HA-1C is a line-voltage mechanical thermostat used for temperature control in industrial refrigeration, HVAC, and process equipment. It opens or closes a single-pole single-throw (SPST) circuit on temperature rise, with a manual reset for safety lockout.

What are the specifications of the JOHNSON CONTROLS A70HA-1C?

The A70HA-1C has a temperature control range of 15° to 55°F, a 5°F differential, and operates on 120 to 600V AC. It features a SPST switch action (open/close on rise), a 20 ft capillary with a 20 ft x 1/8 in bulb, and a steel enclosure with manual reset.

Where to buy the JOHNSON CONTROLS A70HA-1C worldwide?

3G Electric supplies the JOHNSON CONTROLS A70HA-1C to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this mechanical thermostat.

How to install the JOHNSON CONTROLS A70HA-1C thermostat?

Mount the steel enclosure securely, route the 20 ft capillary without kinking, and connect the SPST switch per the wiring diagram for 120 to 600V AC. Set the temperature control range between 15° and 55°F. The manual reset must be pressed after a trip event.

Used in

Common applications for JOHNSON CONTROLS
Industrial refrigeration — Johnson Controls P170SA-1C dual pressure control for compressor protection in ammonia or halocarbon systems
Chiller plant automation — Johnson Controls VA7810-HGA-2 electric globe valve actuator for modulating chilled water flow in VG7000 series valves
Pneumatic HVAC retrofit — Johnson Controls T-4002-302 conversion kit for upgrading existing Robertshaw thermostats in commercial buildings
Cooling tower water management — Johnson Controls V-4332-1007 pneumatically actuated diaphragm valve for 3-way diverting of water flow
Boiler fuel oil pressure monitoring — Johnson Controls P545NCB-25C electronic lube oil pressure control with alarm for burner management systems
Process pressure sensing — Johnson Controls P599AAPS105C pressure transmitter with IP67 rating for washdown zones in food and beverage plants

JOHNSON CONTROLS Products

3G Electric supplies JOHNSON CONTROLS two-circuit indoor single-stage controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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