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3G Electric
LENNOX 67K66 Switching Relay - Replacement HVACR Controls, Switches & Thermostats
LENNOXReplacement HVACR Controls, Switches & Thermostats

LENNOX 67K66 Switching Relay

LENNOX Replacement HVACR Controls, Switches & Thermostats.

SKU 3G-OTH-72608

Brand
LENNOX
Item
67K66 Switching Relay
Part Number
67K66
Category
Replacement HVACR Controls, Switches & Thermostats
Available to Order
Also known as:67K66LENNOX
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LENNOX
Manufacturer Part Number
67K66

Technical Documents

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

Product Description

LENNOX Replacement HVACR Controls, Switches & Thermostats.

Frequently Asked Questions

What is the LENNOX 67K66 switching relay used for?

The LENNOX 67K66 switching relay is used in HVACR systems to control electrical loads such as compressors, fans, and pumps. It is commonly applied in commercial and residential heating and cooling equipment where reliable switching of control circuits is required.

What are the specifications of the LENNOX 67K66 switching relay?

The LENNOX 67K66 switching relay has manufacturer part number 67K66. It is a replacement HVACR control component designed for switching applications. For detailed electrical ratings and dimensions, consult the product datasheet or contact 3G Electric for technical support.

Where to buy LENNOX 67K66 switching relay worldwide?

You can source the LENNOX 67K66 switching relay 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 replacement HVACR control.

How to install the LENNOX 67K66 switching relay?

Install the LENNOX 67K66 switching relay by first disconnecting power to the HVACR system. Mount the relay securely, then wire according to the manufacturer's schematic, ensuring correct voltage and load ratings. Always follow local electrical codes and consult a qualified technician.

Used in

Common applications for LENNOX
Commercial HVAC maintenance — Lennox blower wheel 31G67 for replacing worn fans in rooftop units
Gas furnace repair — Lennox induced draft blower 56W68 for exhaust system replacement in residential furnaces
Thermostat upgrade — Lennox 24Z12 for manual control in heat and cool applications in office buildings
Safety system replacement — Lennox limit switch 26G78 for over-temperature protection in industrial heaters
Heat exchanger retrofit — Lennox heat exchanger assembly 96L74 for furnace repair in manufacturing facilities
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LENNOX Products

3G Electric supplies LENNOX 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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