This Ebay item is a Pressure Switch by Dwyer Instruments Inc. These are PHOTOHELIC Cat # 3000-0 C. On the back it also says PHOTOHELIC Circuit HH-117 VAC.
Midwest Used Fitness Equipment is selling a Welch Allyn Trackmaster Treadmill TMX 425 ECG fully serviced in near perfect condition. Thanks for looking call or email us with any questions these units were well taken care and have been serviced by our certified technician and run and drive as they should. For more details or for a shipping quote email or call us at 816-719-0804 TURNS ANY PC INTO AN ALL-IN-ONE, HIGH-PERFORMANCE, LOW-COST STRESS TEST SYSTEM.
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