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Discussion Starter · #1 ·
Hi all. I tried unblocking my heater matrix using the garden hose approach by taking off both water pipes to and from the heater matrix and plugging the hose in one of them. It failed. Most of the water was coming back out, and I only got a trickle from the other hose. Blocked big time.

So I thought to try the power washer instead of the hose. It worked! After a few seconds blasting down one pipe, voila, water flowed through nicely! Putting the hose back on resulted in excellent flow through the matrix.

Now I have hot air again!

Hope this helps someone

Harry

Note: Do this at your own risk.
 
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