Lennox 33J34 140-170F AUTO Limit Switch 140-170F AUTO Limit Switch

140-170F AUTO Limit Switch

With a Lennox limit switch, you can experience precise control while keeping your HVAC system running at its peak. This Lennox 140-170F AUTO Limit Switch comes in a black aluminum finish and provides durable operation. To ensure lasting performance, we rigorously test every product to make sure it holds up in conditions like desert heat and extreme cold weather. Place orders today and discover why Lennox is the industry leader in aftermarket HVAC parts!

The Lennox 33J34 140-170F AUTO Limit Switch is designed to direct and control the entry of water at a pre-set temperature. This switch is also used to protect the combination gas valve from overheating when the water temperature rises above the limit.

The Lennox 33J34 140-170F AUTO Limit Switch is a replacement switch. This Lennox Limit Switch prevents heater damage by shutting down electrical power to the heater when temperatures rise too high.

AUTO Limit Switch

Pressure control switch set 140-170F

The Lennox 33J34 AUTO Limit Control in gray is to be used in conjunction with the catalytic heating components and units listed below.

The Lennox 33J34 Limit Switch is to be used with the 43J498 Setpoint Translator. This is a call point mounted limit switch that is used to automate a limit control input signal as well as for inclosed or smokeproof applications. The Limit Switch has a Black body and Stainless Steel actuator and operates at 125°F-170°F.