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  1. M

    Whole Home Hot Water Circulation

    Thats a tough problem. I only have one far away bathroom so only one place to sense temperature. And if you want multiple sensing locations you would need to buy a thermostatic switch for each location that has a loop back plumbed in.
  2. M

    Whole Home Hot Water Circulation

    Only thing to consider changing is where you measure water temperature. Point of use is the best place. Imagine someone enters the bathroom and starts taking a hot shower. Eventually the return line gets cold and kicks on the pump, causing the shower to get cold as the pressure balance valve...
  3. M

    Old Mohawk or New Chinese

    I have seen a chinesium jack stand collapse under less than half of its rated load. I've also seen sockets split down the side under light torque. And 1" bolts shear off when being snugged up by hand. No need to see any more since the problem is in quality of steel and competence of welds and...
  4. M

    Old Mohawk or New Chinese

    $3k is expensive? When a 10K ChiCom lift fails with a 2k load, you will have far more than $3k in insurance copays, lost work and permanent injuries.
  5. M

    Water Line Trench, Big Problems

    Must be rough to live in the tropics. While the trench is open maybe plant some coconut and banana trees. As has been suggested, use cinder blocks to weigh down empty PEX if that will help to keep the waterline further away from the tropical heat. Nothing worse than trying to get a glass of...
  6. M

    Circ pump noise

    I think those meters are designed to be on the 90 degree leg of a tee that is cut into a straight length of pipe. Then you add a 1/2 fpt adaptor and a short ****** as needed to get the tip of the probe into the flow stream between the two coaxial legs of the tee. If I didnt have a pressure...
  7. M

    Circ pump noise

    https://www.supplyhouse.com/Boshart-TR30-CB2S-60-250-1-2-NPT-3-Face-Temperature-Pressure-Gauge-Short-Tridicator These come in long and short probe versions. Super easy to use these on a tank. If mounted off a pipe tee, you need to account for the assembled length of pipe fittings to make sure...
  8. M

    Circ pump noise

    Got it. I agree - don’t risk a potentially involved project during heating season.
  9. M

    Circ pump noise

    That’s like saying a car tire with 1 psi “has air”. You need pressure in the system to prevent cavitation. Do you have an expansion tank? If so how much air was in the bladder before you filled the system sand what was the bladder pressure when the fill was done?
  10. M

    Circ pump noise

    Put that on your to-do list. In the meantime, if you have a service tap, try to get a gauge connected and see what pressure you have. Most pump install instructions mention how much positive system pressure (if any) is needed to avoid cavitation. If that is a grundfos I think they want 5psi...
  11. M

    Circ pump noise

    Any chance it is cavitation noise? What is your system pressure?
  12. M

    Home surge protector

    After having lightning damage, I installed a cheap whole house protector. It turned into soot and melted plastic a few years back but there was no damage to any appliances or electronics in the house. I now have a 320 service with two 200A distribution panels. The garage with the service...
  13. M

    Noco Genius 10

    I edited my reply #33 to correctly state that my experience was NOCO vs Battery MINDer
  14. M

    Noco Genius 10

    I have owned several Nocos and Battery MINDers. In my experience there are three big advantages of Noco vs Battery MINDer: 1) in a prolonged power outage, or should the AC power to the tender accidentally get unplugged, the battery minder will fully discharge the battery. Never good to do that...
  15. M

    Tightening a keyed chuck...

    If tightening at more locations is better, why cant I get a "pro" chuck with 7 holes?
  16. M

    shielded or unshielded network cable

    If you will be running an older TIG welder with high frequency arc starter the shielded cable can save you some trouble. You will want to ensure that both ends are grounded.
  17. M

    Will a crushed concrete driveway give more grip than plain dirt?

    Not all crushed concrete is the same, and most of it is gets crushed because it is deteriorated. So the deteriorated cement tends to turn to dust and the aggregate is mostly unbroken by the crusher. As an example, the crushings from I-80 in California amounted to cement dust and unbroken round...
  18. M

    Shop Window Height

    If you get serious snow, it is a good idea to get the windows up high. I already have 8 ft of snow leaning against my garage walls this season but my window sills are 11 ft so the windows arent broken and I still get some light.
  19. M

    Anyone use propane for heat? what are your thoughts?

    Try $0.50 per kwh in CA.
  20. M

    GFCI in Ceiling Receptacles

    You are correct re: many hobbyist welders being low duty cycle and NEC allowing smaller wire. In my shop, I sized conductors for the duty cycle on a heavier welder so I can use it at any receptacle. Obviously I spent a bit more on wire than the cost of "watch out" labels on outlets where I...
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