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Page 15
2008-10-01
(5) Additionally the following points should be considered:
(a) Each unit is supplied with a ½” NPT male connection to the fill valve. Refer to
the NH series indoor installation guide for allowable pressures and fill rates.
(b) ALL OUTDOOR LINES MUST BE PROPERLY HEAT TRACED AND
INSULATED TO PREVENT FREEZING
(c) It is recommended to install and additional guide shut off valve within the
building to allow isolation of the water to the unit for easy servicing. The
guide shut off valve must be accessible to service personnel.