SPECIFICATION FOR DOMESTIC WATER HEATERS
Condensing, Low NOx,
Furnish and install POWER VT condensing gas water heater(s) as manufactured by PVI Industries, LLC of Fort Worth, Texas. Supply in quantities and model numbers as indicated on the plumbing schedule.
Emissions
NOx emissions will not exceed 30 ppm when corrected to 3% O2 (for inputs greater than 399,000 Btu). NOx emissions will not exceed 55 ppm when corrected to 3% O2 (for 399,000 Btu input). These levels will be certified by independent agency.
Gas and Electrical Consumption
The water heater will operate at a minimum of 94% thermal efficiency when tested to ANSI Z21.10.3. The water heater will comply with paragraph 7.2.4.4, the thermal efficiency, the standby loss, and all other requirements of ASHRAE
Pressure Vessel and Heating Surfaces
The water heater will be a vertical fire tube design that is constructed and stamped in accordance with Section IV, Part HLW of the ASME code. Both the storage and heating sections of the water heater will be National Board Registered for a working pressure of 150 psi and will be pressure tested at
Lining
The tank will be a plated with electroless nickel (EN). Plating will occur after the pressure vessel is completely fabricated and all welding is completed. The EN plating will be a
Burner and Venting
Combustion will be provided by an
___ UL (standard) ___ FM ___ IRI ___ Other ______________________
Water heater will be a category IV, condensing appliance, UL listed for use with CPVC vent or AL
with a minimum gas pressure of
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PV 6319 4/04 | 1 |