HTP 850 LPHL - Manual (Page 61)

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LP- 205 REV. 3.28.14
c. Replace and tighten the (6) 10 mm nuts to the burner plate using staggered tightening sequence (see detail).
d. Re-connect all wiring connections.
e. Inspect the gas valve to assure the O-ring is in place.
f. Replace the (4) screws on the aluminum connector on the gas valve. Turn the gas back on. (IMPORTANT: CHECK FOR
GAS LEAKS BEFORE TURNING THE APPLIANCE ON!)
g. Turn the boiler power back on and create a demand on the boiler. When boiler is lit, observe condensate flow from the
boiler. Be sure the boiler is operating properly.
h. Re-connect the condensate piping to the outside condensate connection.