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How to swap out the flow sensor on your Stiebel Eltron tankless water heater. This is pretty much the same for all water heaters of this type. It's not super hard but there are a couple weird things that had me puzzled when I tried it for the first time. I hope this helps you! I should have mentioned that before replacing the flow sensor, you can try doing a "flush" to clean out the scale in yo...

Testing home-made cellular concrete to see how well it carves. Foam-making machine based on these designs: ua-cam.com/video/q0HU2Yy3v3Y/v-deo.html ua-cam.com/video/aSLJCPR1Prw/v-deo.html