State On-Demand Gas Water Heaters A comprehensive line of tankless water heaters. Designed for Residential or Commercial applications. Interior and Exterior.
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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.
• State’s 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.
Standard Remote Controller
Commercial Remote Controller
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Remote Controller
On/Off ButtonWill turn the water heater on/off
In Use Indicator LightIndicates hot water is being supplied (a tap is open)
Temperature DisplayShows the temp setting
Error CodesWhen a fault is detected an error code flashes at the temperature setting
ThermostatIncreases/decreases temp setting
Priority ButtonPriority can be changed to another controller if desired
Priority IndicatorIndicates that this controller is setting the temperature
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On-Demand Models
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.
Interior
Exterior
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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.
Interior
Exterior
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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.
Exterior
Interior
*ASME models also available:
Interior: GTS-705-NIA and GTS-705-PIA
Exterior: GTS-705-NEA and GTS-705-PEA9
Model Specifications Overview
INTERIOR MODELS
Approximate Model BTU Input Natural/Propane Hot Water Output (GPM) Shipping Number Minimum Maximum Maximum 45ºF Rise 77ºF Rise Weight (lbs.)
GTS-305-NI 15,000 199,000/190,000 5.3 5.3 4.2 50 lb.
GTS-505-NI 15,000 199,000/190,000 8.5 7.4/7.1 4.2 50 lb.
GTS-705-NI 19,000 237,000 9.8 8.8 5.1 55 lb.
GTS-705-NIA* 19,000 237,000 9.8 8.8 5.1 55 lb.
GTS-305-NE 15,000 199,000 5.3 5.3 4.2 50 lb.
GTS-505-NE 15,000 199,000 8.5 7.3 4.2 50 lb.
GTS-705-NE 19,000 237,000 9.8 8.7 5.1 55 lb.
GTS-705-NEA* 19,000 237,000 9.8 8.7 5.1 55 lb.
*705-NIA and 705-NEA models are ASME Certified.
For Propane, change “N” to “P” in model number (e.g. GTS-305-PI or GTS-305-PE).
EXTERIOR MODELS
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Multi-System Options
Number of Connected Water Heaters: Accessories Necessary:
2 (1) 2-Unit connection cable or (1) Multi-Unit connection kit
3 (1) Multi-Unit connection kit and (1) Multi-Unit connection cable
4 (1) Multi-Unit connection kit and (2) Multi-Unit connection cables
5 (1) Multi-Unit connection kit and (3) Multi-Unit connection cables
• Connection cable or kits are available for multi-system integration.
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Sizing
Model Selection Guide
• To properly size On-Demand units for a home, two factors are of critical importance . . .
1. Incoming ground water temperature
- Will determine the amount of “temperature rise” required to achieve the desired hot water outlet temperature (120ºF is recommended)
2. 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
Ground Water Temperature Zone
1 305 or 505 305 or 505 305 or 505
2 305 or 505 305 or 505 305 or 505
3 505 or 705 (2) 505 or 705 (2) 505
4 (2) 505 (2) 505 (2) 505
5 (2) 505 (2) 705 (2) 705
6 or more Multi-system Multi-system Multi-system
*Note: This Selection Guide is based on 120ºF outlet water temperature.
Appliances or fixtures in simultaneous use during peak demand Southern Zone Central Zone Northern Zone
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Technical Information
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.
305/505 Models 705 Model
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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)
305/505 Models 705 Model
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Pipe Sizing
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Piping for Basic Installation
On-Demand
Water Heater
3/4″ Gas Connection
Gas Supply
3/4″ Cold Water Supply
3/4″ Hot Water SupplyFor Building Fixtures
3/4″ Ball Value
3/4″ Union
Check Value
Pressure Relief Valve
Pressure Regulator
Circulating Pump
Bolier Drain Valve
Solenoid Valve
KEY
Equipment List:1 Water Heater1 Plumbing Installation Kit (Optional)2 Unions2 Ball Valves2 Drain Valves1 Pressure Relief Valve
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Flue Terminal Clearances – Interior Models
U.S.
DIM DESCRIPTIONInstallations
A Clearance above grade, veranda, porch, 12″ (30 cm)
deck, or balconyB 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 of2 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 assemblyI Clearance to service regulator vent outlet *J Clearance to non-mechanical air supply 12″ (30
cm)inlet to building or combustion air inletto any other appliance
K Clearance to a mechanical air supply 3′ (91 cm) above
inlet if w/i 10 ft. (3 m)
horizontallyL Clearance above paved sidewalk/paved *
driveway located on public propertyM 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 DESCRIPTIONInstallations
A Clearance above grade, veranda, porch, 12″ (30 cm)
deck, or balconyB 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 of2 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 assemblyI Clearance to service regulator vent outlet *J Clearance to non-mechanical air supply 12″ (30
cm)inlet to building or combustion air inletto any other appliance
K Clearance to a mechanical air supply 3′ (91 cm) above
inlet if w/i 10 ft. (3 m)
horizontallyL Clearance above paved sidewalk/paved *
driveway located on public propertyM 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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For moreinformation visit
www.statewaterheaters.com
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