TK-540P-NEH - 199,000 BTU Natural Gas Outdoor Condensing Ultra-Low NOx

TK-540P-NEH

TK-540P-NEH (Outdoor)

ENERGY STAR QualifiedThe TK-540P-NEH heater integrates a recirculation pump to provide instant hot water in residential applications with dedicated recirculation lines. The pump is easily controlled with a simple user interface and multiple pump settings allow you to customize pump operation to meet your needs while maximizing heater efficiency. As part of the high efficiency tankless family, the 540P series provides endless hot water while being environmentally friendly.

The TK-540P-NEH outdoor tankless water heater uses up to 199,000 BTU/hr of natural gas to deliver an endless supply of hot water for a 3 bath home in northern climates and a 4 bath home in southern climates. It is built with commercial grade materials like marine-grade 316L stainless steel giving it an industry-leading warranty.

Number of showers this unit can handle, depending on ground water temperature.

Warmer Climates

Cooler Climates

Overview

  • ENERGY STAR® qualified
  • 15-year limited Heat Exchanger Warranty, 5-year parts warranty, 1-year labor warranty for Residential applications
  • 6-year limited Heat Exchanger Warranty, 5-year parts warranty, 1-year labor warranty for Commercial applications
  • Integrated Recirculation Pump - 1/2" pipe - 100'; 3/4" pipe - 500'
  • Primary heat exchanger is constructed of a commercial grade copper that is more resilient to erosion.
  • Secondary heat exchanger is made of type 316L stainless steel to protect against corrosion.
  • Complies with Ultra-Low NOx regulations of less than 14 ng/J (<20ppm)
  • Easy-Link with up to three other T-H3 units to increase flow capacity
  • Condensing Outdoor model
  • Safety features include Air-Fuel ratio (AFR) sensor, freeze protection, overheat cut-off fuse, exhaust & water temperature safety control, and troubleshooting diagnostic codes

Tech Specs

Emissions: Ultra-Low NOx
Maximum BTUs: 199,000
Minimum BTUs: 19,500
Water Connection Location: Bottom
Water Connection: 3/4"
Flow Rate: 10.00
Heat Exchanger: Commercial Grade Copper
Voltage: AC 120V
UEF: 0.95
ENERGY STAR® Qualified: Yes
LEED Rating: 1.5
Remote Control: Yes
Technology: Condensing
Multilink: No

Dimensions & Venting

Height: 23.63"
Width: 17.75"
Depth: 11.25"
Product Weight: 70 lbs.
Vent Type: Direct Vent
Vent Size: 3 or 4"

Venting

This model is intended for Outdoor installation, no venting is required.

Please check the Product Manual for information on proper installation.

Accessories

9008331005
Pipe Cover

The 9008331005 Pipe Cover protects the plumbing pipes to the water heater from unexpected adjustments. This pipe cover is fixed to the bottom of the water heater, which hides the plumbing and improves the visual aspects of the whole installation for the water heater.

 


For Use with the following models:

T-H3J-IN, T-H3J-OS, T-H3S-IN, T-H3S-OS, T-H3-IN, T-H3-OS


9008300005
Multiple Unit Controller

The 9008300005 Multi System Controller is capable of handling up to 20 units at one time. It also works as a diagnostic tool that provides error codes.


For Use with the following models:

T-D2U-IN, T-D2U-OS, T-H3-IN, T-H3-OS, TK-510C


9008172005
Remote Temperature Controller

The 9008172005 Temperature Remote Controller (TM-RE40) is designed for commercial tankless applications that require higher outlet temperatures. It also works as a diagnostic tool that will give a concise error code whenever there is a problem with the unit.


For Use with the following models:

T-H3-IN, T-H3-OS


9007604005
Lead Free Isolation Valves & Pressure Relief Valve

The 9007604005 Lead Free Isolation Valves & Pressure Relief Valves are used to isolate a unit for service. The Pressure Relief Valve is to help protect the unit and release if the pressure in the tankless water heater or hot water system exceeds 150 psi and up to 200,000 BTUs. For 3/4" water lines. (1953 Compliant)


For Use with the following models:

TK-110C-NI, TK-310C-NI, TK-510C-NI, T-KJr2/U, T-K4/U, T-D2/U, T-H3M, T-H3J, T-H3S, T-H3


9007607005
Neutralizer

The 9007607005 Neutralizer assembly neutralizes the condensate (acidic water) that forms in the secondary heat exchanger of the water heater. It connects to the condensate drain port of the water heater by using connectors included with the neutralizer kit.


For Use with the following models:

T-H3M-IN, T-H3M-OS, T-H3J-IN, T-H3J-OS, T-H3S-IN, T-H3S-OS, T-H3-IN, T-H3-OS 


Rebates

Local Energy Star Rebates

Find a distributor or service provider in your area.

Find a Dealer

Register your product online and you can benefit from our full warranty and support.

Register Your Product


Download PDF