Goodman 1370905S Furnace Limit Switch

The Goodman 1370905S Furnace Limit Switch is a precise furnace limit switch replacement part designed to protect your furnace and ensure safe operation. This 3" limit switch follows the L290-30F specification, with a 260–290°F activation range and a 36T01 (M4) mounting footprint for straightforward installation. As a key HVAC safety switch, it delivers dependable performance in compatible Goodman furnace systems.

Designed for reliable performance, this unit is an ideal option for upgrading worn or failed furnace limits in Goodman furnace parts. It provides consistent electrical response and rapid shutoff in overheating conditions, helping prevent damage and maintain efficient operation.

• Exact replacement for Goodman 1370905S units
• 3" limit switch with L290-30F configuration
• Activation range: 260–290°F
• Mounting: 36T01 (M4) compatible
• Durable construction for long-term HVAC safety
• Easy installation and compatibility with Goodman furnaces

Regular replacement of a faulty limit switch helps avoid costly furnace shutdowns and extends equipment life. This replacement part installs quickly with common household tools and offers a dependable safeguard against heat buildup. Include it in your HVAC maintenance plan to keep your heating system running at peak efficiency.