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AquaStar 80 VP and 80 VP "S" Specifications:
Gas input..................................max: 77,500 Btu
min: 25,000 Btu
Water Connection........................1/2" sweat fitting
H x W x D..........................................27" x 12" x 9"
Vent.......................................................................4"
Gas Connection...........................3/4" NPT thread
Min. Water Pressure....................................15 Psi
Max. Water Pressure................................150 Psi
Shipping Weight..............................................33 lb
Net Weight......................................................27 lb
GPM at 90ºF rise...........................................1.32*
GPM at 45ºF rise...........................................2.64*
Min. Water Flow....................................3/4 gal/min
LP GAS Pressure inlet...............min.: 10"W.C.***
max.: 14"W.C.**
LP GAS Manifold pressure....................8.9" W.C.
Natural Gas Pressure inlet..........min.: 4.7"W.C.***
max.: 14"W.C.**
Natural Gas Manifold Pressure...............3.2"W.C.
* Figured on a 55ºF cold inlet temperature
** Inlet gas pressure must not exceed this value
***For purposes of input adjustment
SETTING THE INLET GAS PRESSURE FOR HIGH ALTITUDES
The pressure regulator provided with the heater is set to deliver the proper gas pressure (as
indicated on the rating plate and in the manual) for altitude up to 2500 feet (758 meters) above sea
level. On appliances being installed above 2500 ft/ 758 m elevation, the inlet gas pressure should
be reset at installation to the value shown below for the altitude of the installation.
NOTE: The gas pressures specified below refer to pressures taken at the test pressure
nipple on the manual gas valve as shown in fig.3 page 9. These readings should be taken
while the heater is operating at full output --i.e. maximum water flow with the temperature
setting on #8.
MAXIMUM INLET GAS FLOW PRESSURE SETTING
ALTITUDE NATURAL GAS LIQUID PROPANE
inches W.C. inches W.C.
0' - 2,500 FT / 758 M 3.90" 9.75"
2,500 ft - 4,000ft / 758m - 1212m 3.00" 7.35"