On Demand Presentation

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State On-Demand Gas Water Heaters

• A comprehensive line of tankless water heaters.
• Designed for Residential or Commercial
  applications.
• Interior and Exterior installation options.
• Natural Gas or Propane.
• Choose from 16 different models.

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The Durability of State

• Combines the durability of State and the
  convenience of
  continuous flow delivery.
• States On-Demand water
  heaters uses a
  high-fire burner
  to quickly raise the
  temperature
  of water passing through a
  copper
  heat exchanger.
• Since the burner is not ignited
  until there
  is a demand for hot
  water, it is highly energy
  efficient.

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Technologically Advanced

• Continuous hot water up to 9.8 GPM (maximum flow
  rate)
• Natural gas or propane
• Up to 237,000 maximum gas consumption Btu/h
• Energy efficient, up to 84 thermal efficiency
• Direct electronic ignition no pilot light
• On board diagnostics and safety monitoring
• Durable enough for 12-year limited warranty on
  heat exchanger and 5-year warranty on all parts

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Convenience and Control

• All models come with a Standard Remote Controller
  that can set the temperature within a specific
  range and can provide error codes to diagnose
  problems.
• The Commercial Remote Controller can be used to
  achieve temperatures above 140ºF, up to 160ºF for
  the 305 models and up to 185ºF for the 505 and
  705 models.

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Remote Controller
In Use Indicator Light Indicates hot water is
being supplied (a tap is open)
Temperature Display Shows the temp setting
Priority Indicator Indicates that this controller
is setting the temperature
Error Codes When a fault is detected an error
code flashes at the temperature setting
Priority Button Priority can be changed to
another controller if desired
Thermostat Increases/decreases temp setting
On/Off Button Will turn the water heater on/off
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305 Model Specifications

• Model numbers
• Interior GTS-305-NI and GTS-305-PI
• Exterior GTS-305-NE and GTS-305-PE
• Btu/h Input
• Minimum 15,000/Maximum 199,000
• Flow rate
• Minimum 0.6 GPM/Maximum 5.3 GPM
• Efficiency rating
• Interior 84/Exterior 83
• Weight
• 50 lb.

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505 Model Specifications

• Model numbers
• Interior GTS-505-NI and GTS-505-PI
• Exterior GTS-505-NE and GTS-505-PE
• Btu/h Input
• Minimum 15,000/Maximum 199,000
• Flow rate
• Minimum 0.6 GPM/Maximum 8.5 GPM
• Efficiency rating
• Interior 84/Exterior 83
• Weight
• 50 lb.

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705 Model Specifications

• Model number
• Interior GTS-705-NI and GTS-705-PI
• Exterior GTS-705-NE and GTS-705-PE
• Btu/h Input
• Minimum 19,000/Maximum 237,000
• Flow rate
• Minimum 0.6 GPM/Maximum 9.8 GPM
• Efficiency rating
• Interior 84/Exterior 83
• Weight
• 55 lb.

ASME models also available Interior
GTS-705-NIA and GTS-705-PIA Exterior
GTS-705-NEA and GTS-705-PEA
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Model Specifications Overview
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Multi-System Options

• Connection cable or kits are available for
  multi-system integration.

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Model Selection Guide

• To properly size On-Demand units for a home, two
  factors are of critical importance . . .
• Incoming ground water temperature
• - Will determine the amount of temperature rise
  required to achieve the desired hot water outlet
  temperature (120ºF is recommended)
• Peak hot water demand
• - How much hot water the home will need during
  its busiest usage period

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Ground Water Temperature Factor
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Peak Hot Water Demand

• Consider all the applications and fixtures in the
  home that use hot water, including lavatory
  faucets, kitchen faucets, washing machines,
  dishwashers, showers and bathtubs.
• Determine how many of these appliances and
  fixtures will be in use at the same time during
  the busiest usage period.
• For example, if one kitchen faucet, one shower
  and a washing machine are all in use during the
  busiest period, use the number 3 to make your
  selection from the Model Selection Guide.

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Model Selection Guide
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Outlet Flow Data
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Pressure Drop Curve
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Dimensions Interior Models
305/505 705 DIM DESCRIPTION In (mm) In
(mm) A Width 14 (355.6) 18.5 (470) B Depth 9.6
(244.5) 9.1 (230.5) C Height Unit 22.9
(582) 23.6 (600) D Height w/Brackets 25.5
(648.2) 25.2 (640) E Hot water outlet from
wall 3.6 (91) 4.3 (110) F Hot water outlet from
center 4.3 (110) 2.4 (61) G Cold water inlet
from wall 2.8 (70) 3.7 (94) H Cold water inlet
from center 1.1 (27) 2.0 (52) I Gas connection
from wall 4.3 (109) 2.2 (56.2) J Gas connection
from center 3.5 (89) 4.3 (110) K From base to
gas connection 1.6 (40) 1.6 (40) From base to
cold connection 2.0 (50) 2.0 (50) From base to
hot connection 1.6 (41) 1.6 (41) This is the
minimum dimension from the wall.
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Dimensions Exterior Models
305 505 705 DIM DESCRIPTION In (mm) In
(mm) In (mm) A Width 14 (355.6) 14 (355.6) 18.5
(470) B Depth 7.7 (196) 9.8 (249.5) 9.3
(236) C Height Unit 19.8 (503) 22.9 (582) 23.6
(600) D Height w/Brackets 22.5 (571) 25.4
(646.4) 25.2 (640) E Hot water outlet from
wall 3.4 (87) 3.8 (96) 4.5 (115) F Hot water
outlet from center 4.1 (105) 4.3 (110) 2.4
(61) G Cold water inlet from wall 2.7 (68) 2.6
(75) 3.9 (99) H Cold water inlet from
center 0.4 (10) 1.1 (27) 2.0 (52) I Gas
connection from wall 3.0 (77) 4.1 (104) 2.4
(61.2) J Gas connection from center 3.3
(83) 3.5 (89) 4.3 (110) K From base to gas
connection 1.6 (40) 1.6 (40) 1.6 (40) From base
to cold connection 2.0 (50) 2.0 (50) 2.0
(50) From base to hot connection 1.6 (41) 1.6
(41) 1.6 (41)
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Pipe Sizing
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Piping for Basic Installation
Equipment List 1 Water Heater 1 Plumbing
Installation Kit (Optional) 2 Unions 2 Ball
Valves 2 Drain Valves 1 Pressure Relief Valve
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Flue Terminal Clearances Interior Models
U.S. DIM DESCRIPTION Installations A Cleara
nce above grade, veranda, porch, 12? (30
cm) deck, or balcony B Clearance to
window/door that may be open 12? (30
cm) C Clearance to permanently closed
window D Vertical clearance to ventilated
soffit, located above terminal within
horizontal distance of 2 ft. (61 cm) from
center line of terminal E Clearance to
unventilated soffit F Clearance to outside
corner G Clearance to inside
corner H Clearance to each side of center line
extended above meter/regulator
assembly I Clearance to service regulator vent
outlet J Clearance to non-mechanical air
supply 12? (30 cm) inlet to building or
combustion air inlet to any other
appliance K Clearance to a mechanical air
supply 3' (91 cm) above inlet if w/i 10 ft. (3
m) horizontally L Clearance above paved
sidewalk/paved driveway located on public
property M Clearance under veranda, porch, deck,
balcony For clearances not specified in ANSI
Z223.1/NFPA 54 or CSA B149.1, clearances are in
accordance with local installation codes and the
requirements of the gas supplier.
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Flue Terminal Clearances Exterior Models
U.S. DIM DESCRIPTION Installations A Cleara
nce above grade, veranda, porch, 12? (30
cm) deck, or balcony B Clearance to
window/door that may be open 12? (30
cm) C Clearance to permanently closed
window D Vertical clearance to ventilated
soffit, located above terminal within
horizontal distance of 2 ft. (61 cm) from
center line of terminal E Clearance to
unventilated soffit F Clearance to outside
corner G Clearance to inside
corner H Clearance to each side of center line
extended above meter/regulator
assembly I Clearance to service regulator vent
outlet J Clearance to non-mechanical air
supply 12? (30 cm) inlet to building or
combustion air inlet to any other
appliance K Clearance to a mechanical air
supply 3' (91 cm) above inlet if w/i 10 ft. (3
m) horizontally L Clearance above paved
sidewalk/paved driveway located on public
property M Clearance under veranda, porch, deck,
balcony For clearances not specified in ANSI
Z223.1/NFPA 54 or CSA B149.1, clearances are in
accordance with local installation codes and the
requirements of the gas supplier.
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