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All Categories > Commercial Water Heaters > NON NOx Commercial Water Heaters > State® NON NOx Commercial Water Heaters > State Titan® LV Large Volume Power Burner - Gas, Oil and Dual-Fuel Commercial Water Heaters > Item # TPX 150 400 NEA  

Item # TPX 150 400 NEA, TPX Power Low NOx Large Volume Commercial Water Heater

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Unit of Measure: Imperial Metric Both

Specifications  · Maximum Recovery  · Dimensions  · Electrical Characteristics  · Features  · Other Features  · Note




Nominal Storage Capacity

150 U.S. gal

Input Power

400000 BTU/hr

First Hour Rating

507 gal

Motor Power

1/7 hp


Natural Gas


State Titan® Power Low NOx



Industry Standards

ASME Certified

CSA® Certified

UL® Listed

Maximum Recovery

Recovery at 80 ºF Temperature Rise

485 gal/h

Recovery at 100 ºF Temperature Rise

387 gal/h

Recovery at 140 ºF Temperature Rise

277 gal/h



Dimension A

82-1/4 in

Dimension B

14 in

Dimension C

1 in

Dimension D

27-3/4 in

Dimension E

1-1/4 in

Dimension F

54 in

Dimension G

7 in

Dimension H

57-1/2 in

Dimension J

73 in

Electrical Characteristics


2.5 A


120 V


60 Hz

  • Meets the thermal efficiency and standby loss requirements of U.S. Department of Energy and current edition of ASHRAE/IESNA 90.1.
  • UL - Entire unit UL listed (File No. MH11631).
  • Low Nox - Complies with Texas low NOx and Air Quality Management Districts with requirements of less than 30 ppm.
  • Glasslined Tank - Exclusive corrosion protection with glasslining on all interior surfaces. Multiple anodes provide even more corrosion protection.
  • ASME Construction Standard - 160 PSI working pressure on all models.
  • Power Gas Burner - Power burner has electronic flame safeguard control with intermittent spark ignition. Also included are main and pilot automatic gas valves plus gas pressure regulators, diaphragm air switch for proof of blower operation.
  • Fully Automatic Controls With Safety Shutoff - High temperature limit control (manual reset). CSA® Certified and ASME rated T&P Relief Valve. Hinged door control compartment for ease of access. Two thermostats, upper and lower, for accurate temperature control. Standard control is for 120 ºF - 180 ºF water service.
  • Jacket And Insulation - Heavy gauge steel with baked powder coat finish. Insulated with high-density foam insulation that meets or exceeds all required standards.
  • Factory Start-up Included - Required for activating warranty and assuring maximum operating performance.

Other Features
  • Two layers of high temperature ceramic fiber insulation in combustion chamber
  • Flame inspection port opening
  • Mounted on rugged channel iron skids
  • Combination temperature and pressure gauge
  • Low water cutoff
  • ASME rated temperature and pressure relief valve
  • Barometric draft regulator
  • Two cleanout inspection openings
  • 120 volt control circuit
  • Drain valve
  • Removable lifting lugs

Certified Minimum Installation Clearances to Combustibles:
  • Front: 18 inches
  • Back: 0 inches
  • Sides: 0 inches
  • Top: 5 inches
A clearance of 24 inches should be maintained from serviceable parts such as relief valve, power burner, drain valve and anodes (Anodes are located on side above cold water inlet).

Minimum gas supply pressure: 7 Inches W.C.
Maximum gas supply pressure: 13 Inches W.C.

TPX models are Category I appliances (Fan Assisted) and require a negative draft. These units should only be commonly vented with other Category I negative draft appliances per the latest addition of the National Fuel Gas Code. An approved/listed Type "B" venting material is recommended. A negative draft of -0.02" to -0.07 is required in the vent.


·  Standards for State Titan® LV Large Volume Power Burner - Gas, Oil and Dual-Fuel Commercial Water Heaters


Brochure for State Titan® LV Large Volume Power Burner - Gas, Oil and Dual-FuelCommercial Water Heaters
(PDF, 639KB)