Specifications

Installer’s Guide
Electric Boosted Solar
15
H3163 025247 Rev. D
4 Way Union Assembly
Step 17
• Using correct plumbing methods,
install the 4 Way Union assembly
and air bleed valve at the highest
point in the system, at the top of
the collector diagonally opposite the
solar collector inlet pipe.
• The air bleed valve must stand
vertically straight towards the sky.
Note: If installed in top left/
bottom right of collector, then
T should be reversed.
• When tting the 4 Way Union
assembly, we recommend Loctite
577 Thread sealant and/or a good
quality pink teon tape to secure the
air bleed valve. Tighten by hand. Do
not use spanner.
Valve must be
vertical and at
highest point in
system
Use Loctite 577
thread sealant or
pink teflon tape to
seal all threads