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AROUND 2004, there was a company [maybe in TX?] makin A/C's with a Water-Cooled Condenser. NOT PUMP-AND-DUMP. The water chilled over evaporator pads - then pumped over hot freon coils...[and recirculated... Of course, a bit was added to offset evaporation.] In 2004... if I recall - Trane sold a...

OVERHEAD DOOR - LEGACY 1/2 HP MODEL 696CD/B Garage door is 15 yrs old... Works perfectly - unTil Close Limit SLIPS out-of-adjustment... Randomly - after 20 - 200 cycles - door will Close TOO FAR / Tension Limit re-opens door... No warnin... No pattern..... Just when you least expect it...

DOES ANYONE KNOW HOW A 4-20 MILLIAMP LOOP WORKS? I'D LIKE TO MONITOR GAS PRESSURE, AND AUTOMATICALLY CREATE A 30-DAY CHART [ WITH MAYBE 5 MINUTE READINGS ] ALSO - AN ALARM FOR LOW OR HIGH PRESSURE SOMEONE SEZ - USE A TRANSDUCER... A QUICK CHECK - FOR $20 BUCKS, EBAY SELLS: . G1/4 Pressure...