SPECIFICATION FOR DOMESTIC WATER HEATERS
Atmospheric Combustion, Gas-Fired Water Heaters
with Nickel-Plated Storage Tanks
Furnish and install atmospheric gas water heater(s) as manufactured by PVI Industries, L.L.C. of Fort Worth, Texas. Supply quantities and model numbers as indicated on the plumbing schedule.
Gas and Electrical Consumption
The water heater will operate at 80% thermal efficiency. 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
Tank 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 atmospheric burner with a gas train meeting the following agency requirement for the input specified:
___ UL (standard) | ____ FM | ___ IRI | ___ Other ______________________ |
Water heater will be a category 1,
(continued)
PV 6126b 6/01 | 1 |