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Posted by HeatPro on February 09, 2009 at 14:46:32:
In Reply to: How high? Safe to Pressure Test? posted by Dave Mc on February 09, 2009 at 13:30:39:
"A Heat-Timer tech said that 5-6# probably won't hurt the vents."
+++ Well then ...
as long as he is paying for any damage, have some fun ... most texts say 4 psig will damage them.
Yes, additional pressure will force more leaks, then you find they made a leak where there was none. If you can't find the leak by temperature, sound or humidity in a local area, there probably isn't one at low pressure - YET!
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