About the Lennox 69W56 Pressure Switch, 2-stage, (24/.60) 102737-04
Fixes on your HVAC system can be done by the inexperienced with this Lennox 69W56 Pressure Switch, 2-stage, (24/.60) 102737-04. If you have any questions about this product, please contact us. 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.