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LP-520 REV. 5.1.17
PART 8 – WATER PIPING
A. GENERAL PLUMBING CONNECTION GUIDELINES
• Pipe material must be suitable to meet local codes and industry standards.
• The pipe must be cleaned and without blemish before any connections are made.
• Do not apply a torch within 12” of the appliance. Doing so could damage the appliance. Such damages ARE NOT covered by
product warranty.
• The size of the hot water pipe should be ¾” diameter and the central heating water pipe should be 1” in diameter.
• To ease future maintenance isolation valves are recommended on both the CH and DHW loops.
• All piping should be insulated.
Figure 23 – Operating Description – Water Flow
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