Install Instructions

Boiler block assembly 7
23
We reserve the right to make any changes due to technical modifications.
Installation and maintenance instructions Logano G215 US oil/gas-fired boilers • Issue 11/2004
z Remove the nuts from the threaded studs.
z Push the flat gasket over the distribution tube.
z Push the feed pipe with the supply/return header and
flat gasket into the upper boiler hub at the boiler back.
z Position the supply/return header on the threaded
studs and tighten four nuts by hand.
z Evenly tighten the supply/return header nuts
diagonally using a torque wrench (torque: maximum
44 lbs-ft).
Seal connections which are not required with the plugs
supplied. When the boiler is supplied as a ready
assembled block, these plugs have already been fitted.
z Insert plugs with flat gaskets into the connections
that are not required.
7.1.10 Sealing the sensor well
z Seal sensor well R ¾ from above in the Rp ¾" well
threaded hole of the test port of the connection block.
Fig. 19 Fitting feed pipe and supply/return header
1 Flat gasket
1
Fig. 20 Fitting supply/return header
1 Torque wrench
1
Fig. 21 Seal connections that are not required.
1 Plug
2 Flat gaskets
1
2
Fig. 22 Sealing the sensor well
1 Sensor well
1