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Don't let your HVAC system run compromised. Get this discount Lennox 72W40 High Pressure Switch (640 PSI) 102448-01. 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.
| Mpn # | 72W40 |
| Weight | 1.00 lbs. |
