3
Connect the tubing (continued).
A
Standard Connection Option (continued)
3. Place the pressure release valve onto
the end of the vertical tubing and solder.
4. Screw the provided stem into the pressure
release valve and tighten finger tight. Using an
air-bleed valve tool, tighten the stem until snug.
5. Put the cap over the stem and tighten finger
tight.
B
Bypass Connection Option
1. Connect the long two-bend tube to the lower
inlet tube, turn it and connect it to the T-fitting in
the outlet tube. Connect the shut-off valve to the
other end of the T-fitting. Solder connections.
Shut-off
valve
T-fitting
Long
two-bend
tube
Installation Instructions
Pressure
release
valve
Stem
Cap
Lower inlet
tube
2
3
Connect the tubing (continued).
B
Bypass Connection Option (continued).
2. Install the vertical tubing into the tubing
on the hydronic heater and solder.
3. Place the pressure release valve onto
the end of the vertical tubing and solder.
4. Screw the provided stem into the pressure
release valve and tighten finger tight. Using an
air-bleed valve tool, tighten the stem until snug.
5. Put the cap over the stem and tighten finger
tight.
Vertical
tubing
Pressure
release
valve
Stem
Cap