My 405

  • We are currently upgrading MFK. thanks! -neo
Looks good bro but make sure you check the seals on the pumps periodically. Doing inline inside a house can be a nightmare if a seal breaks. The floor is tile at least. Not as bad as bottom drilled tanks but still something to monitor.
 
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Looks good bro but make sure you check the seals on the pumps periodically. Doing inline inside a house can be a nightmare if a seal breaks. The floor is tile at least. Not as bad as bottom drilled tanks but still something to monitor.
Thanks for the advice seriously! To be honest it has already been a nightmare, the Reeflo pump started leaking two weeks after being up and running. Contacted BRS about it and they said it was “a known issue.”
Needless to say I opened the thing up myself and siliconed the o-ring and rubber seal inside the impeller housing. Seems good right? NOPE!!!
The quick couplers leak one or two drops every 30 mins or so which doesn’t seem like much but if it’s doing that now I can only imagine what it’ll do months from now.
I also stupidly built a stand for my drum filter that makes it near impossible to work on my plumbing.
The water heater heating my system (while efficient) also pulls so much hot water to my tank that it leaves none for the house itself, which really made my gf happy! fix for that still underway....

Needless to say it’s been a ride and it’ll still be weeks before I can even put my Black Diamond in it.
 
The water heater heating my system (while efficient) also pulls so much hot water to my tank that it leaves none for the house itself, which really made my gf happy! fix for that still underway....

How did you connect this to your hot water heater? I'm going to do this soon also but I saw someone on youtube run the water back to the intake of the hotwater heater so it just kept recycling the same water through the heater/tank and didn't waste any. Is this how you did it also?
 
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How did you connect this to your hot water heater? I'm going to do this soon also but I saw someone on youtube run the water back to the intake of the hotwater heater so it just kept recycling the same water through the heater/tank and didn't waste any. Is this how you did it also?
Yes that is exactly what I did. I T'd off from the top of my hot water heater and ran pex in the attic to the fish room then into a Grundfos motor that sucks the hot water from the water heater through a heat exchange then back to the hot water heater. The aquarium water then runs counter to the heat exchange and it heats up the aquarium. Currently mine is set at 83 degrees and im not using any electricity to heat the tank.
One precaution when doing this. It pulls so much hot water from the tank that you better make sure you have valves on it to stop it down because otherwise the system will syphon all the hot water to the fish room because the grundfos motor is stronger than the pressure in the house leaving you with no hot water pressure in the house. This makes you have to close the valve fully to the fish room to kickstart the hot water to the rest of the house. With the valve nearly closed i have hot water in the house and at the same time there is enough running to the heat exchange to heat the fish tanks.

Good Luck!
 
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