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HONEYWELL HOME Universal Mount Transformer: Mfr Part # AT140A1042 - Replacement HVACR Controls, Switches & Thermostats
HONEYWELL HOMEReplacement HVACR Controls, Switches & Thermostats

HONEYWELL HOME Universal Mount Transformer: Mfr Part # AT140A1042

SKU 3G-OTH-95722

Brand
HONEYWELL HOME
Item
Universal Mount Transformer: Mfr Part # AT140A1042
Category
Replacement HVACR Controls, Switches & Thermostats
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Technical Specifications

HONEYWELL HOME
Manufacturer Part Number
AT140A1042
Product Type
Universal Mount Transformer
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HONEYWELL HOME Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the Honeywell Home AT140A1042 universal mount transformer used for?

The Honeywell Home AT140A1042 universal mount transformer is used in HVACR systems to step down line voltage to a lower voltage for powering controls, switches, and thermostats. It is a replacement component for residential and light commercial heating and cooling equipment.

What are the specifications of the Honeywell Home AT140A1042 transformer?

The Honeywell Home AT140A1042 is a universal mount transformer with manufacturer part number AT140A1042. It is designed for use in HVACR controls, switches, and thermostats. For detailed electrical ratings, consult the product datasheet or contact 3G Electric.

Where to buy the Honeywell Home AT140A1042 transformer worldwide?

You can source the Honeywell Home AT140A1042 universal mount transformer 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.

How to install the Honeywell Home AT140A1042 universal mount transformer?

To install the Honeywell Home AT140A1042 transformer, first disconnect power. Mount the transformer securely using the universal bracket, then connect primary and secondary wiring per the wiring diagram. Verify voltage output before re-energizing the system. Always follow local electrical codes.

Used in

Common applications for HONEYWELL HOME
Residential HVAC — Honeywell Home TH115-A-120S/U thermostat for 7-day programmable temperature control in homes.
Light commercial buildings — Honeywell Home TL8230A1003 line-voltage thermostat for electric heating systems in offices.
Hydronic heating systems — Honeywell Home L4006E1117 immersion controller for high-limit temperature regulation in boilers.
Indoor air quality monitoring — Honeywell Home C7263A1008 air quality sensor for gas analysis in commercial facilities.
Furnace control — Honeywell Home ST9120U1011 timer controller for circulating fan timing in integrated furnace systems.
HVAC switching — Honeywell Home RA889A1001 switching relay for 24V AC control of zone valves or dampers.

HONEYWELL HOME Products

3G Electric supplies HONEYWELL HOME replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Control Kit: 8 1/8 in H, 8 in W, 3 Zones, Gray, 1 Cool/1 Heat, 24V AC (MPN HZ311K). Key specifications — Nameplate Voltage: 24V AC; Brand: HONEYWELL HOME; Includes: Transformer (AT140A1042); Terminal Designations: C; Requires Thermostat Type: 1 Cool; Housing Color: Gray.
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Control Kit: 8 1/8 in H, 8 in W, 3 Zones, Gray, 1 Cool/1 Heat, 24V AC (MPN HZ311K). Key specifications — Nameplate Voltage: 24V AC; Brand: HONEYWELL HOME; Includes: Transformer (AT140A1042); Terminal Designations: C; Requires Thermostat Type: 1 Cool; Housing Color: Gray.

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