6
Ring. Solder joints should be cool and solvent cements should be set before installing the nut, split ring and “O” Ring.
Avoid getting solder flux, primer, and solvent cement on any part of the “O” Rings, split rings, bypass valve or control
valve. If the building’s electrical system is grounded to the plumbing, install a copper grounding strap from the inlet to the
outlet pipe. Plumbing must be done in accordance with all applicable local codes.
7. INSTALLING GROUND: To maintain an electrical ground in metal plumbing of
a home’s cold water piping (such as a copper plumbing system), install a ground
clamp or jumper wiring.
NOTE: If replacing an existing softener, also replace the ground clamps/wire. If
removing a softener, replace the piping with the same type of piping as the original
to assure plumbing integrity and grounding.
8. DRAIN LINE: First, be sure that the drain can handle the backwash rate of the
system. Solder joints near the drain must be done prior to connecting the drain line
flow control fitting. Leave at least 6” between the drain line flow control fitting and
solder joints. Failure to do this could cause interior damage to the flow control. Install
a 1/2” I.D. flexible plastic tube to the Drain Line Assembly or discard the tubing nut
and use the 3/4” NPT fitting for rigid pipe (recommended).
If the backwash rate is greater than 7 gpm, use a 3/4” rigid drain line. Where the drain line is elevated but
empties into a drain below the level of the control valve, form a 7” loop at the discharge end of the line so that the bottom
of the loop is level with the drain connection on the control valve. This will provide an adequate anti-siphon trap. Piping the
drain line overhead <10 ft. is normally not a problem. Be sure adequate pressure is available (40-60 psi is recommended).
Where the drain empties into an overhead sewer line, a sink-type trap must be used. Run drain tube to its discharge point in
accordance with plumbing codes. Pay special attention to codes for air gaps and anti-siphon devices.
NOTE: Drain line nut will not be supplied for units having a backwash rate greater than 7 gpm.
CAUTION: Never insert a drain line into a drain, sewer line, or trap. Always allow an
air gap of 1-1/2” or twice the pipe diameter, whichever is greater, between
the drain line and the wastewater to prevent the possibility of sewage being
back-siphoned into the softener.
TYPICAL DRAIN LINE INSTALLATIONS
INSTALLATION
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