Lennox 80K27 Pressure Switch, (-0.34" +/-.05"), 80K2701

About the Lennox 80K27 Pressure Switch, (-0.34" +/-.05"), 80K2701

If you need to replace components in your HVAC system, Lennox is a customer favorite. Save on this Lennox 80K27 Pressure Switch, (-0.34" +/-.05"), 80K2701. This is easy to install, whether you are a novice or experienced DIYer. A pressure switch closes an electrical contact when fluid pressure reaches a certain level. This may happen when it reaches a pressure rise or on a pressure fall.