T-H3M - 120,000 BTU Liquid Propane Outdoor Condensing Ultra-Low NOx

T-H3M-OS-N

T-H3M-OS-N (Outdoor)

The T-H3M is a new breed of tankless for smaller spaces. This model also uses existing 1/2" gas supply lines and inexpensive PVC venting to lower installation costs.

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

Warmer Climates

Cooler Climates

Overview

The T-H3M is a new breed of tankless for smaller spaces. This model also uses existing 1/2" gas supply lines and inexpensive PVC venting to lower installation costs.

The T-H3M supplies hot water to domestic hot water systems (directly or indirectly) which can be used with storage tanks, recirculation systems, hydronic heating systems, radiant floor systems, and/or domestic & heating applications.

The T-H3M is a high efficient, condensing tankless water heater perfect for residential applications. The T-H3M can produce enough hot water for two bathrooms in warmer climates or 1.5 baths in colder climates.

  • 15-year limited heat exchanger, 5 yrs limited parts Residential use
  • Primary heat exchanger utilizes commercial-grade copper alloy for 25 times better heat transfer than stainless steel
  • Secondary heat exchanger utilizes 316L stainless steel for better corrosion resistance
  • NSF certified for commercial applications
  • Complies with Ultra-Low NOx regulations of less than 14 ng/J (<20ppm)
  • Includes remote control as standard feature
  • Venting with Schedule 40 PVC, CPVC, PP, Category III stainless steel
  • Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes

Tech Specs

Emissions: Ultra Low NOx
Maximum BTUs: 120,000
Minimum BTUs: 19,500
Water Connection Location: Bottom
Water Connection: 0.75"
Flow Rate: 6.60
Heat Exchanger: Copper & Stainless
Voltage: AC 120V
UEF: 0.91
ENERGY STAR® Qualified: No
LEED Rating: 1.5
Remote Control: Yes
Technology: Condensing
Multilink: No

Dimensions & Venting

Height: 22.87"
Width: 13.87"
Depth: 10.81"
Product Weight: 44 lbs.
Vent Type: Direct Vent
Vent Size: 4"

Venting

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

Please check the Product Manual for information on proper installation.

Accessories

9008953005
Pipe Cover

The 9008953005 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-H3M-IN, T-H3M-OS


9009069005
Remote Temperature Controller

The 9009069005 Temperature Remote Controller (TM-RE42) has two functions. It allows the output temperature from the water heater to be adjusted within the range of 100 °F to 160 °F (check Owner’s Manual for setting options), and 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:

TK-110C-NI, TK-310C-NI, TK-510C-NI, T-H3, T-H3M, T-H3J, T-H3S, T-KJr2U, T-K4U, T-D2U


9008172005
Remote Temperature Controller

The 9008172005 Temperature Remote Controller (TM-RE40) has two functions. It allows the output temperature from the water heater to be adjusted within the range of 100 °F to 185 °F, and 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-KJr2U-IN, T-KJr2U-OS, T-K4U-IN, T-K4U-OS, T-D2U-IN, T-D2U-OS, T-H3M-IN, T-H3M-OS, T-H3J-IN, T-H3J-OS, T-H3S-IN, T-H3S-OS, 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 


9008877005
Product Preservers® Anti-Scale System SM1.0L

The 9008877005 Product Preservers® Anti-Scale System provides protection from scale formation on internal and external plumbing surfaces. The Product Preservers® system is a single cartridge based system that must be installed on a cold water line prior to a single water-heating device (water heater or tankless water heater). Peak Flow Rate - 6 gpm (23 lpm)


For Use with the following models:

T-KJr2/U, T-K4/U, T-D2/U, T-H3M, T-H3J, T-H3S, T-H3-IN


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