filling the unit with water. The pressure should be
gradually increased to a pressure just below the
setting of boiler safety relief valve(s).
Remove the boiler tube access panels (see
dimensional drawing in this manual). Inspect the
tube to header joints to be certain that all tube
fittings are sealed. This is necessary because,
although the boiler is hydrostatically tested at the
factory, minor leaks in fittings and at attachments
can develop from shipping vibration or from
installation procedures. It is often necessary to
retighten such fittings after installation and after
the boiler has been operated for some time.
Replace tube access panels before proceeding to
start boiler.
1.10.2 TEST OF GAS PIPING
Reference gas system test under Section 1.5,
"Gas Connection", in this manual.
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