Expansion tank needed for water heater?
When purchasing my new TT, the dealer supplied a water pressure regulator and mentioned the importance of using it to avoid possible damage to the plumbing system in the event a particular campground ...
Forum Discussion
RDMueller wrote:
Well that answers that! Air pocket at the top of the water heater - I had no idea. So of course when I first filled and sanitized the water system, I made sure to do everything possible to get all the air out of the water heater, including opening the t/p relief valve. Had no idea I was defeating the purpose, so glad I asked! I may still add an accumulator for pump noise, but in the mean time, now I know how to easily fix this issue. Thanks!
No, you need to fill up the water tank to full capacity before turning the water heater on, to prevent damage to the heater. Fill it up as much as you can, allowing for the natural airspace in the design, and not a drop less.
