Lennox 73K18 Limit Switch

140-170F AUTO Limit Switch

73K18 is identical to 73K1801

Lennox 73K18 Limit Switch – 140-170°F Automatic Limit Control (Genuine OEM Part)

The Lennox 73K18 Limit Switch is a 140–170°F automatic limit control designed specifically for Lennox HVAC systems. This genuine OEM replacement part ensures precise temperature regulation, helping protect your equipment from overheating and maintaining safe, efficient system performance.

Built to meet Lennox’s strict quality standards, the 73K18 Limit Switch delivers reliable, long-lasting operation for both residential and commercial heating applications. Using authentic OEM parts helps ensure proper compatibility, safety, and dependable performance over time.

Key Features:

• Brand: Lennox

• Model/Part Number: 73K18

• Type: Limit Switch

• Temperature Range: 140–170°F

• Operation: Automatic Reset

• Genuine OEM Replacement Part

• Application: HVAC system temperature limit control

Applications:
Ideal for use in Lennox furnaces, heaters, and HVAC units, ensuring safe operation and optimal system efficiency.

Choose the Lennox 73K18 Limit Switch for reliable performance, precision temperature control, and long-term system protection.