PLUMBING HOOKUP
Must flush line a minimum 2 minutes, at a maximum flow on initial start-up.
Reference the recommended installation diagram below. Additional installation diagrams for recirculation loops, multiple ProSeries
XTP units plumbed in series or parallel configurations, can be found in the APPLICATION SCHEMATICS section of this manual.
The heater is equipped with brass ¾” NPT fittings.
Make sure ONLY NPT fittings are used for connection to this heater.
Connect the cold water line with the inlet connection
(RIGHT fitting)
Connect the outlet pipe with
the outlet fitting
(LEFT fitting)
Do not reverse connections.
CAUTION
Never use pipe dope when making plumbing connections to this heater. Follow
standard industry practice with careful application of Teflon tape. Do not allow Teflon
tape to get into the heater.
CAUTION
Never solder any pipe connections attached to this heater – damage to the heater will
result. Doing this will void the warranty.
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