Weil-McLain EG 5 Series Manual page 18

EG PEG
&
SERIES
Connect piping – steam boilers
Connection to counterflow steam piping
18
5 EGH 5
SERIES
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GAS FIRED BOILERS
(continued)
Installing the relief valve
Install relief valve in tapping on top of boiler. See Table 4, page
10, for control tapping locations. See the tag attached to the relief
valve for manufacturer's instructions.
Follow the steps below to avoid potential severe per-
sonal injury, death or substantial property damage.
tions, including the valve inlet, are clean and free from
any foreign matter.
connected to the tapping designated in the manual on top
of the boiler.
only.
wrench on wrench pads only.
During operation, this valve may discharge large
amounts of steam and/or hot water. Therefore, to
reduce the potential for bodily injury and property
damage, a discharge line MUST be installed that:
with no intervening valve.
charge line.
to avoid applied stress as possible.
be clearly visible and is at no risk of freezing.
than that of the valve outlet.
Use only schedule 40 metal pipe for discharge. (Do not
use schedule 80, extra strong or double strong pipe or
connections.) DO NOT CAP, PLUG OR OTHERWISE
is piped upward, a condensate drain must be provided in
the elbow below the vertical pipe to prevent condensate
from returning into the valve. Failure to comply with these
instructions will cause a dangerous spray of hot water and
steam that would cause severe personal injury or death.
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BOILER MANUAL
Part Number 550-142-782/1112
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