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CARRIER Circuit Board: Mfr Part # HK42FZ034 - Replacement HVACR Controls, Switches & Thermostats
CARRIERReplacement HVACR Controls, Switches & Thermostats

CARRIER Circuit Board: Mfr Part # HK42FZ034

CARRIER Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Furnace Control Board.

SKU 3G-OTH-84867

Brand
CARRIER
Item
Circuit Board: Mfr Part # HK42FZ034
Category
Replacement HVACR Controls, Switches & Thermostats
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CARRIER
Manufacturer Part Number
HK42FZ034
Product Type
Furnace Control Board

Technical Documents

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

Product Description

CARRIER Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Furnace Control Board.

Frequently Asked Questions

What is the CARRIER HK42FZ034 circuit board used for?

The CARRIER HK42FZ034 is a furnace control board that manages ignition, blower, and safety functions in residential and light commercial HVAC systems. It is a direct replacement part for Carrier furnaces requiring this specific board to restore proper heating operation.

What are the specifications of the CARRIER HK42FZ034?

The CARRIER HK42FZ034 is a furnace control board with manufacturer part number HK42FZ034. It is classified as a replacement HVACR control board for Carrier furnaces. No additional voltage or dimension specs are provided in the product data.

Where to buy the CARRIER HK42FZ034 worldwide?

3G Electric supplies the CARRIER HK42FZ034 furnace control board worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the CARRIER HK42FZ034 furnace control board?

To install the CARRIER HK42FZ034, first disconnect all power to the furnace. Remove the old board, noting wire connections. Mount the new board, reconnect wires per the furnace wiring diagram, and restore power. Test operation. Always follow local electrical codes.

Used in

Common applications for CARRIER
Commercial rooftop HVAC maintenance — Carrier heat exchanger kit 48GS660004 for replacing failed heat exchangers in packaged units.
Refrigeration system servicing — Carrier synthetic oil P903-2301 for lubricating compressors in HFC-based commercial refrigeration.
HVAC control system repair — Carrier blower control board HH84AA017 for restoring fan operation in air handlers.
Gas furnace safety inspection — Carrier rollout switch HH18HA449 for replacing faulty safety switches in heating systems.
Condenser unit overhaul — Carrier condenser fan blade 30GX660017 for replacing damaged blades in outdoor condensing units.
Compressor protection — Carrier crankcase heater HT31AZ121 for preventing liquid slugging in compressors during off-cycles.

CARRIER Products

3G Electric supplies CARRIER 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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