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Gas Water Heaters
  Takagi T-KJr2-IN
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  Ariston GL2.5
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  Tempra Plus 36

RV Water Heaters
  RV-500

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  ShowerMate

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  Toyotomi OM-148
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Houseneeds.com    Home / All Water Heaters / Electric Water Heaters / Gas Water Heaters
Gas Tankless Water Heaters
Sorted by Gas Whole House Tankless Water Heaters

Sort by: Return to Tankless Water Heaters Main Page    Electric Tankless Water Heaters
Takagi T-D2-IN Gas Tankless Water Heater Takagi T-D2-IN Tankless Water Heater

For High Demand Hot Water Use or a for Radiant Heat & Hydronic Heating Applications.
Electronic Ignition - Power Vented
Hot Water Output at 5.9 gpm with 55-degrees rise - more if input water warmer - up to 10.0 gpm.

Natural Gas or Propane
Rinnai Tankless Water Heater v65i Rinnai v65i Tankless Water Heater

Tankless Water Heater from Rinnai.
Propane or Natural Gas
Provides enough hot water for 1 shower and small sink at the same time - up to 4.6 gallons per minute with a 55-degree rise.

Natural Gas or Propane


Rinnai Tankless Water Heater Ru80i Rinnai High Effciency Condensing Tankless Water Heater Ru80i

Rinnai Water Heater Ru80i offers Condensing technology with an endless supply of hot water through multiple outlets simultaneously. With the Rinnai RCRu80i, homeowners will be able to run up to 2 showers at the same time at 95% efficiency.

Natural Gas or Propane
Takagi TK4-IN Gas Tankless Water Heater Takagi T-K4 Tankless Water Heater

For High Demand Hot Water Use or a for Radiant Heat & Hydronic Heating Applications.
Electronic Ignition - Power Vented
Hot Water Output at 5.7 gpm with 55-degrees rise - more if input water warmer - up to 8.0 gpm.

Natural Gas or Propane


Takagi T-H2-IN Condensing Gas Tankless Water Heaters instant Domestic Hot Water or Heating Systems Takagi High Effciency Condensing Tankless Water Heater T-H2-IN

Takagi Condensing Tankless Water Heater T-H2-IN with enoughhot water for multiple outlets simultaneously. With the Takagi T-H2-IN, homeowners will be able to run up to 2+ showers at the same time at 90% + efficiency.

Natural Gas or Propane
Takagi TKJr2-IN Direct Vent tankless water heater Takagi T-KJr2-IN Tankless Water Heater - Direct Vent

Direct Vent Water Heater where inside combustion air is limited. Electronic Ignition - Power Vented
Hot Water Output at 4.2 gpm with 55-degrees rise - more if input water warmer - up to 6.6 gpm.

Natural Gas or Propane


Takagi Mobius TM32 Gas Tankless Water Heater Takagi TM32 Tankless Water Heater

For High Demand Hot Water Use or for Radiant Heat & Hydronic Heating Applications.
Electronic Ignition - Power Vented
Hot Water Output at 9.5 gpm with 55-degrees rise.

Natural Gas or Propane
Rinnai Tankless Water Heater R94LSI Rinnai R94LSI Tankless Water Heater

Tankless Water Heater from Rinnai.
Propane or Natural Gas
Provides enough hot water for two showers (maybe three in warmer climates) - up to 6.0 gpm with a 55-degree rise.

Natural Gas or Propane


Bosch AquaStar 1000P Tankless Water Heater AquaStar 1000P
Tankless Water Heater


This small Bosch Aquastar tankless gas water heater is ideal where a small volume of hot water is desired. The compact size of the 1000P means you save valuable floor space.

Natural Gas or Propane
Rinnai Tankless Water Heater R75LSI Rinnai R75LSI Tankless Water Heater

Tankless Water Heater from Rinnai.
Propane or Natural Gas
Provides enough hot water for two showers - up to 5.6 gallons per minute with a 55-degree rise.

Natural Gas or Propane


Rinnai Tankless Water Heater Ru98i. Condensing Tankless Water Heater/ Rinnai High Effciency Condensing Tankless Water Heater Ru98i

Rinnai Water Heater Ru98i offers Condensing technology with an endless supply of hot water through multiple outlets simultaneously. With the Rinnai Ru98i, homeowners will be able to run up to 2+ showers at the same time at 95% efficiency.

Natural Gas or Propane
   


Water Heaters Accessories



Z Flex and Z Vent 3 inch Stainless Steel Venting 3 Inch Z Flex Z Vent Venting for Power-Vented Tankless Water Heaters

Quick-Seal Z Flex Z Vent Stainless Steel Venting used for Bosch AquaStar 2400ES and Bosch AquaStar 2700ES Gas On Demand Water Heater. Will work for any power-vented tankless water heater that requires sealed venting.
Z Flex and Z Vent 4 inch Stainless Steel Venting 4 Inch Z Flex Z Vent Venting for Power-Vented Tankless Water Heaters

Quick-Seal Z Flex Z Vent Stainless Steel Venting used for Bosch AquaStar 125FX Tankless Water Heater along with the Takagi T-KJr, T-K3, TK JR and T-M32 Water Heaters and Nortiz Gas On Demand Water Heater. Will work for any power-vented tankless water heater that requires sealed venting.


Webstone Isolator EXP Union for Tankless Water Heaters
Webstone Isolator EXP Valves for Tankless Water Heaters

Webstone Isolator EXP Valves for Gas Tankless Water Heaters and Electric Tankless Water Heaters. Optional Lead Free and with or without Pressure Relief Valve.
   


Marine Water Heaters / RV Water Heaters



ShowerMate Marine Tankless Water Heater ShowerMate Marine Tankless Water Heater

Marine - Propane Tankless Water Heater - Stainless Steel Construction.

Propane Only
RV Propane Tankless Water Heater RV Propane Hot Water Heater

This is the first and only instant tankless water heater specifically designed for recreational vehicles. It replaces conventional tank type heaters.

Propane - RV


Oil Water Heaters



Toyotomi Oil Tankless Water Heater OM-148 Toyotomi Oil Water Heater OM-148

Whole-House - Super Efficient Oil Tankless Water Heater - Direct Vent or Chimney Vent.

Oil - Whole House
Toyotomi Oil Tankless Water Heater OM-180 Toyotomi Oil Water Heater OM-180

Approved as a heat source for Hydronic & Radiant Heating Applications in most areas. Direct Vent or Chimney Vent.

Oil / Kerosene - Whole House


Click here to see all of our Electric Tankless Water Heaters



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