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  1. MITBeta

    Which child pool fence?

    Those two options both look essentially identical to the Pool Fence DIY I installed a few years back. https://www.poolfencediy.com/ The only complaint I have about my fence is that the gate alignment is sometimes a little off, but that's probably because I installed it on a wood deck and not in...
  2. MITBeta

    Indirect heat exchangers

    I'm assuming that your boiler is nowhere near the rating of the pool heater. It will be very different / take a look at long time to try to heat a pool with a residential boiler.
  3. MITBeta

    Fine Mesh Leaf Skimmer Recommendation

    I'm not really sure. I use this nets bigger, coarser brother to pick up leaves and things like that off the bottom, and my Dolphin robot to get the little stuff. I usually use this net just to skim the surface.
  4. MITBeta

    Fine Mesh Leaf Skimmer Recommendation

    This is my 3rd season.
  5. MITBeta

    Fine Mesh Leaf Skimmer Recommendation

    I like this one. It's fine enough to catch pollen. Pool and Spa Net -Fine Mesh -Small Debris -Pollen Catcher -Leaf Rake -Sand Silt by Triluca https://smile.amazon.com/dp/B00GWVU7P4/ref=cm_sw_r_apan_i_29W3NE0QAS7AAR61BAF5?_encoding=UTF8&psc=1
  6. MITBeta

    Getting stuck!

    If that's the only reason you use pucks, it seems to me that it would be easier to switch to granular CYA than to build or buy a contraption to keep the floater out of the skimmer. But your pool, your headache.
  7. MITBeta

    Getting stuck!

    Chlorine floater? You could switch to liquid.
  8. MITBeta

    Raypak 206A heater issue

    A very small drill bit is a good tool for cleaning the orifice(s).
  9. MITBeta

    Solar plumbing

    You want the heater where the fuel is free to see the greater potential and do most of the heating, and then for the heater where you the fuel costs money to make up whatever difference.
  10. MITBeta

    Solar plumbing

    Heat flow is driven by temperature differential. If you have a 3500*F gas flame you will transfer slightly less heat to 62* water than to 52* water. Same goes for solar panels: the colder the water input, the more heat will be transferred for a given panel surface temperature. (Of course...
  11. MITBeta

    Identify swimming bug?

    These bugs eat bugs that eat algae. If your pool is clear, they don't stick around. You can try a little dish soap to break the surface tension. They will drown.
  12. MITBeta

    Fine mesh net?

    This: Pool and Spa Net -Fine Mesh -Small Debris -Pollen Catcher -Leaf Rake -Sand Silt by Triluca https://smile.amazon.com/dp/B00GWVU7P4/ref=cm_sw_r_apan_i_80GTWA5MH72NJWZR93XZ?_encoding=UTF8&psc=1
  13. MITBeta

    Raypak 337a Cast Iron Flange Header Installation

    I would be inclined to loosely attach the flanges, then complete the rest of the piping, and then just tighten as necessary to stop any leaks. In the video above, it doesn't look like he's putting much force on a very short wrench.
  14. MITBeta

    Pool Cover Pump Recommendation??

    I've had this one going on 3 years. Works great as long as you're not in a hurry. https://smile.amazon.com/dp/B01GQUOS5A/ref=cm_sw_r_cp_apa_glt_fabc_S7Y9FJVDAM21G3DZZZS9?_encoding=UTF8&psc=1
  15. MITBeta

    Raypak 337a Cast Iron Flange Header Installation

    Overtightening? I'm surprised the manual doesn't indicate how tight to turn the bolts.
  16. MITBeta

    Pool heater problem

    Is the air purged out of the gas supply line? Is the switch on the gas valve on? Do you have flow through the heater?
  17. MITBeta

    raypak 106 propane pool heater

    You should find a qualified LP gas technician.
  18. MITBeta

    raypak 106 propane pool heater

    Is that heater set up to run propane? Correct orifice(s) and gas valve regulator?
  19. MITBeta

    Solar blanket shortage?

    Keep checking back. They all went out of stock a few weeks back and then they all restocked.
  20. MITBeta

    Solar blanket shortage?

    Check Ocean State Job Lot. I got a 24' one there 2 weeks ago.
  21. MITBeta

    New Raypak LP heater issue. high limit fault

    Seems like there isn't enough flow through the heater. Is there a bypass, either internal or external?
  22. MITBeta

    1980’s Mystery - Gas Line Size for Pool Heater

    The gas meter riser from the main is high pressure, so it can be a much smaller diameter and still carry plenty of gas. Don't worry about that part of it.
  23. MITBeta

    1980’s Mystery - Gas Line Size for Pool Heater

    Ultimately, you want less than 0.5 inches of water column pressure drop from the main to the appliance when the appliance is at full fire. There are plenty of online calculators to figure this out. Calculate the pressure drop across each segment of each diameter pipe in sequence and add them...
  24. MITBeta

    New Raypak LP heater issue. high limit fault

    What speed is your pump running?
  25. MITBeta

    Heater Ignition Failure - Hayward H250ED2

    If the value in the house was closed and the gas valve has now cycled several times, the gas line likely needs to be bled.
  26. MITBeta

    Blue material in skimmer sock

    Mine fall apart eventually and bits end up in the water and ultimately the skimmer.
  27. MITBeta

    Blue material in skimmer sock

    Pool noodle?
  28. MITBeta

    Shrubs near gas heater

    The heater manual should have clearances listed.
  29. MITBeta

    Intermittent ignition failures on Hayward 400FDN heater

    Sounds like you're on the right track. Can't wait to hear what happens when it rains!
  30. MITBeta

    Intermittent ignition failures on Hayward 400FDN heater

    What's the pressure before the valve opens? Are you seeing the spikes you were seeing with the old regulator?