Lennox 73W34 Pressure Switch, 2 Stage (.62/.35)

About the Lennox 73W34 Pressure Switch, 2 Stage (.62/.35)

Whether you are a homeowner or commercial repair man, Lennox is a trusted name. Order this Lennox 73W34 Pressure Switch, 2 Stage (.62/.35). Chat us up if you have questions about this part or the installation process. 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.