LOW NOx MAXIM ▪ PACKAGED GAS WATER HEATER
POLYSHIELD® POLYMER-LINED STORAGE TANK
STANDARD FEATURES AND EQUIPMENT
82% thermal efficiency
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SCAQMD compliant
NOx emissions certified at <55 ppm at 3% 02 and/or less than 40 nanograms per joule (199 to 399 MBtu/h)
NOx emissions certified at <30 ppm at 3% 02 (above 399 MBtu/h)
POLYSHIELD® polymer-lined tank with 5-year warranty, three-year scale failure warranty and one-year cost-free service policy ꢀ
Nonferrous, removable fittings at all tank connections
Copper-clad steel firetubes
SCALEGUARD® tubesheet protection
Upper and lower immersion operating thermostats
Immersion temperature limiting device (high limit control)
ASME-rated temperature and pressure relief valve
Drain valve
Handhole tank cleanout
Power combustion burner
Spark ignition
Electronic combustion sequencer and flame safeguard with pre-purge
Combustion sequence indicating lights (> 399,000 Btu/h)
Differential pressure air flow switch
Second main gas valve (> 399,000 Btu/h)
Compliant with ASHRAE 90.1 for thermal efficiency and standby loss
Fiberglass insulated tank
Draft regulator (barometric damper)
Steel jacket panels with industrial-grade finish
Factory-authorized start up
ASME stamped—150 psi MAWP
National Board Registered for 150 psi working pressure
UL listed to safety standard UL 795 “Commercial-Industrial Gas Heating Equipment”
FM compliant
OPTIONAL FEATURES AND EQUIPMENT
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Long-life service policy ꢀ
AGA-rated temperature and pressure relief valve(s)
2,500,000 Btu/h FM controls package. Adds electronic low-water cutoff, manual-reset high limit, single-try firing control and high-low
gas pressure switch. (not required for FM compliance below 2,500,000 Btu/h) (available only on 540,000 and 650,000 Btu/h)
CSD-1 / IRI compliant components include manual reset electronic low water cut off, manual reset temperature limiting device and
Hi-Lo gas pressure switch (as required)
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Electronic combustion sequencer and flame safeguard with pre– and post-purge
Electronic low-water cutoff
Manual-reset, temperature limiting device
DUO-SET™ controls for dual-temperature applications
Dial temperature and pressure gauges
Tridicator
Alarm bell with silencing switch
Seven-day time clock
Digital seven-day time clock with battery backup
Air intake assembly for remote combustion air (requires field connection to ductwork supplied by others)
Consult factory for other codes
ꢀ See complete warranty and/or service policy for details
PVI INDUSTRIES, LLC
FORT WORTH, TEXAS 76111
PVI reserves the right to change
the design and specification
without notice.
PV 6377 11/07
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