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SUF SERVICE HANDBOOK
INSTALLATION
State Water Heaters Technical Training Department
Ashland City, Tennessee © 2004
13 STC-077
MULTIPLE UNIT — WATER PIPING
NOTES APPLY TO ALL SYSTEMS:
*ADD GATE VALVES TO INLET AND OUTLET OF EACH
UNIT FOR ISOLATION FLEXIBILITY. LOCATE AT THE
SAME POINT FROM TEE.
** ADD THERMAL EXPANSION TANK TO COLD WATER
SUPPLY IF NECESSARY.
CONDENSATION HOSE MUST BE ALLOWED TO DRAIN.
NOTE: T&P VALVES MUST BE PIPED TO OPEN DRAIN OR
PER LOCAL CODE