State Industries 510U Series Ultra-NOx Tankless Water Heater


$1344.00


Retail Price: $1750.00
Weight: 45.00 lbs
MPN: GTS-510U-NI

Installation:
Rush Order:
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Get an endless supply of hot water from a compact, wall-mounted tankless water heater that will afford you substantial savings in energy costs.

The 510U series is ideal for residential and commercial applications like beauty salons or small restaurants. With a heat exchanger tubing made of HRS35 copper alloy, the 510 series can also handle heavier-residential usages like domestic recirculation systems or space heating. A standard remote control is included. Complies with Ultra-Low NOx regulations. Meets ASHRAE 90.1b-1992 energy efficiency requirements.

Features

Freeze Protection

Every tankless heater by State Industries has an internal freeze protection system, rated to protect the heaters in sub-freezing conditions. This prevents water temperatures in the heat exchanger from falling below a certain level, to prevent freeze damage.

Hi-Limit Switch

This ensures that the water temperature does not exceed dangerous levels. It disengages the gas valves, which effectively shuts down the water heater.

Air-Fuel Ratio Sensor

State's unique sensor monitors and maintains optimal combustion at all times. The onboard computer adjusts the fan motor speed to make sure that air and fuel are mixed in the proper ratio to minimize emissions and maximize efficiency.

HRS35 Copper Alloy

The HRS35 copper alloy is heat-resistant, with additive elements which make it much harder and stronger than the standard C1220 copper alloy commonly used in other heat exchangers. HRS35 is 8 times stronger than regular copper, even at high temperatures. It's also resistant to the damaging effects of erosion which is the leading cause of leaks in heat exchangers.

Drum Thickness

At every ignition cycle, thermal expansion causes every heat exchanger to undergo heat stress. The thousands of ON/OFF cycles typical in commercial applications can be damaging to water heaters. This is why State Industry's commercial products utilize heat exchangers with drums that are 25% thicker to ensure durability. A thicker drum produces less strain for the heat exchanger.

Better Water Pathway Design

By redirecting and redesigning water flow, the heat exchanger drum and finned coil's temperature stay above dew point, making it more difficult for condensation to build up.

Fin Pitch

Widening the pitch at the heat exchanger fins not only improves durability by reducing blockage, but it also maintains higher temperature levels on the upper finned coils. Keeping an elevated temperature at these coils reduces the chances of condensation buildup.

Match the Unit to Your Needs

  

Warmer Climates

70°F Incoming
Groundwater Temperature

Colder Climates

50°F Incoming
Groundwater Temperature

Capacity - Number of Shower Heads
GTS-110/U
2 1
GTS-310/U
3 2
GTS-240H
2 1
GTS-340H
3 2
GTS-540H
4 3
GTS-510/U
4 2
GTS-710
4 3
GTS-910
6
4

Flow Rate Guide

Temp Rise
110/U
310/U
510/U
240H
340H
540H
710
910
30°
6.6
8.0
10.0
6.6
8.0
10.0
9.0
14.5
35°
6.6
8.0
9.3
6.6
8.0
10.0
9.0
14.5
40°
5.7
7.8
8.1
6.6
8.0
9.5
9.0
14.5
45°
5.1
6.9
7.2
6.6
7.6
8.4
8.5
13.5
50°
4.6
6.2
6.5
6.1
6.8
7.6
7.7
12.2
55°
4.2
5.7
5.9
5.5
6.2
6.9
7.0
11.1
60°
3.8
5.2
5.4
5.1
5.7
6.3
6.4
10.1
65°
3.5
4.8
5.0
4.7
5.3
5.8
5.9
9.4
70°
3.3
4.4
4.7
4.3
4.9
5.4
5.5
8.7
75°
3.1
4.1
4.3
4.1
4.6
5.0
5.1
8.1
80°
2.9
3.9
4.1
3.8
4.3
4.7
4.8
7.6
85°
2.7
3.7
3.8
3.6
4.0
4.4
4.5
7.2
90°
2.5
3.5
3.6
3.4
3.8
4.2
4.3
6.8
95°
2.4
3.3
3.4
3.2
3.6
4.0
4.0
6.4
100°
2.3
3.1
3.3
3.0
3.4
3.8
3.8
6.1

Specifications

Gas Type
Natural gas only
Installation Type
Indoor, Outdoor, Direct Vent
Dimensions 20-1/4" (H) X 13-3/4" (W) X 7-3/4" (D)
Weight 39 lbs
Electric
120 V, 0.77 A (Operation), 0.052 A (Standby), 0.93 A (Freeze-Protection)
Ignition
Electronic Ignition
Noise Level
55 dB at Max output
Min. Input 15,000 BTU/h
Max. Input
199,000 BTU/h
Energy Factor
0.82
Min Gas Pressure 5.0" W.C.
Max Gas Pressure
10.5" W.C.
Flow Rate
10 GPM. Values based on factory testing. 0.4 GPM required for continuous fire after initial ignition.
Hot/Cold/Gas
Connection
3/4" NPT
Coil Capacity
≈0.2 Gallons
Water Pressure 15-150 PSI. Pressure Only Relief Valve Requires (Min 200,000 BTUs. 150 PSI). 40 psi or above recommended for max. flow.
Easy-Link System
Up to 4 units, with no need for a system controller.
Multi-Unit System
Up to 4 units, with Multi-Controller (9008300005)
Dipswitches
120°F (default) 140°F
Temperature Settings
99°F to 185°F (19 options), 122°F Default Factory Setting.
Remote Control
With 9008172005 remote (max. distance 400’ from heater, non-polarized 18 gauge wiring.)

Dimensions

Warranty

  •  Residential Use: 15 yrs limited heat exchanger, 5 yrs limited parts
  •  Commercial Use: 10 yrs limited heat exchanger, 5 yrs limited parts

Downloads

  •  Product Guide
  •  User's Manual
  •  Spec Sheet

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2 Most useful customer reviews
Courtland
Jul 20, 2016
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Boots
May 7, 2016
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