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Reference Illustrations
CAUTION! The drain line must not be
kinked, crimped or restricted in any way.
The drain line should be a minimum 1/2" inside
diameter and cannot be reduced in size.
Figure 2
PLUMBING CONNECTIONS
Figure 3
CONNECTING DRAIN LINE
INSTALLATION TIP
When preparing the male threaded fittings of the I/O adapter, follow the guidelines to avoid
damage to the plastic pipe threads.
1. For best results, use 1/2” wide Teflon® tape and wrap the threads three times with each
consecutive wrap on top of the previous wrap. To prevent tearing of the the tape, use Teflon®
paste on the first two threads only. This lubricates the tape and fills the small void areas that
may exist between the threads. When the joint is complete, there will be a small bead of
sealant at the fitting interface indicating a properly joined connection.
2. When preparing copper fittings, it is always advisable to use a union where there is a
threaded connection to facilitate repairing a potential leak in one of your soldered joints.
3. To prevent heat damage to the plastic pipe threads of the adapter, prepare the copper tail
assemblies ahead of time so they can cool down before final assembly. The copper tube
length should be a minimum of 3-1/2” long. To prevent cross threading, turn the fitting coun-
terclockwise until you feel the threads engage, then tighten. Do not overtighten the fittings.
CAUTION NOTE:
To avoid damage, do not allow heat from the torch to be transferred to the
plastic valve component.
Teflon
® Tape