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Boiler Expansion Tank Leak- Picture of it!
bschroed
Member Posts: 2
Have a Navien boiler and the expansion tank has been for 2 years, and started leaking, and looking like this. Any ideas what can cause this before I install a new one. It is an EX30 Amtrol, which is a good product.
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Comments
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OK -- what hit it? That looks like damage from the outside...Br. Jamie, osb
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England0 -
Looks kinda like external damage, but where is it located in relation to the circ? What is the system pressure? Even Extrol can't out-engineer a poor install0
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What is the rest of your system composed of?
Is there pex tubing in it? Radiant floor? Staple up? What type of tubing is in the system?
What is you water like?
What temperature does the system run at?0 -
Could be oxygen intrusion from non-barrier PEX.
If so, replace it with a potable X-tank.8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour
Two btu per sq ft for degree difference for a slab0
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