Best Seller
Marey Gas 5L Tankless Water Heater

Marey Gas 5L Tankless Water Heater

An excellent alternative to traditional tank water heaters! The Marey Power Gas 5L Tankless Water Heater is simple to install and requires no electricity to operate. Energy-saving design heats up in seconds and uses gas only while water is flowing.... more

$189.99

go to store
Rheem RTGH-95XLN Prestige Natural Gas Outdoor Whole House Low NOx Condensing Tankless 9.5 GPM Water Heater

Rheem RTGH-95XLN Prestige Natural Gas Outdoor Whole House Low NOx Condensing Tankless 9.5 GPM Water Heater

Rheem is the industry leader for total heating, cooling and water heating solutions. In fact, Rheem is one of the few global brands with product offerings covering residential and commercial heating, cooling, conventional storage-style water heaters,... more

$1,577.58

FREE shipping

go to store
Best Seller
Noritz NC1991-DVCNG 199,900 BTU Commercial Tankless Water Heater with Concentric Vent, Natural Gas

Noritz NC1991-DVCNG 199,900 BTU Commercial Tankless Water Heater with Concentric Vent, Natural Gas

Noritz provides a near perfect solution for commercial hot water in its NC line of tankless hot water heaters. This modular system can be linked together with up to 24 units, providing over nine million BTUs of hot water per hour. Noritzs new... more

$1,716.43

FREE shipping

go to store
Eemax EX100T Thermostatic Limit Electric Tankless Water Heater

Eemax EX100T Thermostatic Limit Electric Tankless Water Heater

Energy-efficient, instant water heater that heats only the water you use. Single point of use perfectly suited for hand washing. more

$218.97

FREE shipping

go to store
Takagi T-KJr2-IN-LP Indoor Tankless Water Heater, Propane

Takagi T-KJr2-IN-LP Indoor Tankless Water Heater, Propane

The T-KJr2 model is the smallest unit in the Takagi line-up. The T-KJr2 is perfect for light residential (i.e. small apartment units) and radiant heating applications. more

$530.49

FREE shipping

go to store
Marey Gas 10L Tankless Water Heater

Marey Gas 10L Tankless Water Heater

Marey Power Gas 10L Tankless Water Heater requires NO electricity to deliver endless hot water! It's simple to install and requires no electricity to operate. Energy-saving design heats up in seconds and uses gas only while water is flowing. Available... more

$247.99

go to store
Eemax HA018240 240V 18 kW Electric Tankless Water Heater

Eemax HA018240 240V 18 kW Electric Tankless Water Heater

Durable, easily replaceable heating elements copper heat exchanger with brass top digital temperature display control knob to adjust temperature in increments of 1 degree recommended wire size: 2 x 8 awg 240 Volts. more

$477.01

FREE shipping

go to store
Stiebel Eltron Tempra Plus 36 kW, tankless electric water heater with Self-Modulating Power Technology & Advanced Flow Control

Stiebel Eltron Tempra Plus 36 kW, tankless electric water heater with Self-Modulating Power Technology & Advanced Flow Control

When compared to gas type thankless water heaters, Stiebel Eltron tempera 36 plus cost less and is less expensive to install, since it does not require venting parts. more

$792.28

FREE shipping

go to store
Eemax EX3512T Thermostatic Limit Electric Tankless Water Heater

Eemax EX3512T Thermostatic Limit Electric Tankless Water Heater

Energy-efficient, instant water heater that heats only the water you use. Single point of use perfectly suited for hand washing. more

$282.26

FREE shipping

go to store
Takagi T-H3S-DV-P Condensing High Efficiency Propane Indoor Tankless Water Heater, 8-Gallon Per Minute

Takagi T-H3S-DV-P Condensing High Efficiency Propane Indoor Tankless Water Heater, 8-Gallon Per Minute

With gas inputs of 180,000 BTU, the T-H3S can produce enough hot water for three bathrooms in warmer climates or two baths in colder climates. more

$1,009.90

FREE shipping

go to store
Marey Gas 10L Digital Panel Tankless Water Heater

Marey Gas 10L Digital Panel Tankless Water Heater

Marey Power Gas 10L Digital Panel Tankless Water Heater delivers endless hot water with optimal energy efficiency! It's simple to install and includes auto ignition. Energy-saving design heats up in seconds and uses gas only while water is flowing.... more

$259.99

go to store
Eemax HA008240 240V 8.0 kW Electric Tankless Water Heater

Eemax HA008240 240V 8.0 kW Electric Tankless Water Heater

Imax Electric thankless water heaters offer 99 percent thermal energy efficiencies that pays for itself. Imax's thankless water heaters minimize stand-by heat loss - don't pay for keeping water hot in a large storage tank 24/7 Saving energy also means... more

$227.04

FREE shipping

go to store
Noritz NRC98-DVNG Indoor Direct Vent 9.8-GPM Natural Gas Condensing Tankless Water Heater

Noritz NRC98-DVNG Indoor Direct Vent 9.8-GPM Natural Gas Condensing Tankless Water Heater

The ENERGY STAR rated NRC98, Noritz's brand new ultra-high efficient condensing model, demonstrates its ongoing commitment to the green movement by expanding its newest tankless water heater product line: the ecoTOUGH Series of high efficiency,... more

$1,256.06

FREE shipping

go to store
Rinnai RUR98iN 9.8 Max GPM Ultra Series Condensing Indoor Natural Gas Tankless Water Heater with Recirculation

Rinnai RUR98iN 9.8 Max GPM Ultra Series Condensing Indoor Natural Gas Tankless Water Heater with Recirculation

Tankless Recirculating Water Heater, 9.8 Gallons a minute. more

$1,939.57

FREE shipping

go to store
Eemax EX90 Electric Tankless Water Heater, Flow Controlled

Eemax EX90 Electric Tankless Water Heater, Flow Controlled

EX90 Features: -Tankless water heater.-Cut energy costs.-Flow device activates heater only on demand.-No standby heat loss.-99pct Energy Efficient.-Compact Design.-Ease of installation.-No T n P valve needed.-Eliminate deadlegs in DI piping... more

$222.63

FREE shipping

go to store
Eccotemp 45HI-LP Indoor Liquid Propane Tankless Water Heater (Color), White

Eccotemp 45HI-LP Indoor Liquid Propane Tankless Water Heater (Color), White

The Eccotemp 45HI-LP Indoor Liquid Propane Tankless Water Heater (NEW 2017 Model) is the largest indoor model of the Eccotemp tankless line. Rated at an impressive 6.8 GPM and 140,000 BTU per hour, the 45HI-LP can meet all the hot-water needs of a... more

$699.00

FREE shipping

go to store

Overstock.com

(675,000+)
Noritz EZTR40-NG Indoor Tankless Water Heater 6.6 GPM Natural Gas; Designed for Easy Replacement of 30/40-Gallon Tank Type Heaters

Noritz EZTR40-NG Indoor Tankless Water Heater 6.6 GPM Natural Gas; Designed for Easy Replacement of 30/40-Gallon Tank Type Heaters

The EZTR40 is a first of its kind product. It ships as a complete kit and is designed to easily convert your 30/40 gallon tank type water heater to tankless technology. Like tank type heaters the water connections are on top of the unit. And due to its... more

$1,299.99

FREE shipping

go to store
Takagi T-D2-IN-NG Indoor Tankless Water Heater, Natural Gas

Takagi T-D2-IN-NG Indoor Tankless Water Heater, Natural Gas

T-D2-INNG Features: -Tankless water heater.-Natural gas.-Indoor installation.-Ignition: Electronic.-BTU/hr: 11,000 199,000.-0.82 Energy factor.-Flow rate: 10.0 GPM maximum.-Utilizing HRS35 copper alloy for the heat exchanger tubing.-Deliver between 200... more

$949.90

FREE shipping

go to store
Noritz NRC661-DV-NG Indoor Condensing Direct Tankless Hot Water Heater 6.6 Gpm-Natural Gas

Noritz NRC661-DV-NG Indoor Condensing Direct Tankless Hot Water Heater 6.6 Gpm-Natural Gas

Indoor tankless water heater up to 6.5 gallons per minute. Noritz has been an innovator in the water heating industry for over 60 years. We introduced the first modern, electronically controlled tankless water heater in 1981 and we remain the leader in... more

$889.00

FREE shipping

go to store
Eccotemp FVI-12-NG High Capacity Gas Tankless Water Heater

Eccotemp FVI-12-NG High Capacity Gas Tankless Water Heater

The Eccotemp FVI12-NG Tankless Water Heater is a natural gas fired, indoor tankless water heater designed for small to medium hot water production where you need more than one hot water application at the same time and is perfect for vacation cabins,... more

$234.24

FREE shipping

go to store
Noritz NR981-DVC-NG Indoor Tankless Water Heater 9.8 Gpm Direct Vent/Concentric, Natural Gas

Noritz NR981-DVC-NG Indoor Tankless Water Heater 9.8 Gpm Direct Vent/Concentric, Natural Gas

Indoor tankless water heater, direct vent concentric, Flows up to 9.8 gallons per minute. Noritz has been an innovator in the water heating industry for over 60 years. We introduced the first modern, electronically controlled tankless water heater in... more

$1,427.04

FREE shipping

go to store
Noritz NR111-DV NG Direct Vent Tankless Natural Gas Water Heater, 9.3 GPM

Noritz NR111-DV NG Direct Vent Tankless Natural Gas Water Heater, 9.3 GPM

250,000 BTU .05 GPM activation flow rate Self-diagnostic onboard computer system 84% thermal efficiency PVC cannot be used for its venting. Use only Category III stainless steel venting, Manufacturer: Noritz more

$2,614.13

FREE shipping

go to store
Bosch Greentherm C 1050 ES NG Tankless Water Heater, Natural Gas

Bosch Greentherm C 1050 ES NG Tankless Water Heater, Natural Gas

The Bosch Greentherm model C 1050 ES has Energy Factor to 0.94, and is equipped with an automated and fully modulating bypass for unsurpassed DHW temperature stability. more

$1,449.95

go to store
Noritz NRC711-DV-NG Indoor Condensing Direct Vent Tankless Water Heater 7.1 Gpm-Natural Gas

Noritz NRC711-DV-NG Indoor Condensing Direct Vent Tankless Water Heater 7.1 Gpm-Natural Gas

Indoor condensing tankless water heater up to 7.1 gallons per minute. Noritz has been an innovator in the water heating industry for over 60 years. We introduced the first modern, electronically controlled tankless water heater in 1981 and we remain... more

$1,050.00

FREE shipping

go to store
CAMPLUX ENJOY OUTDOOR LIFE Pro BD158 1.58GPM Outdoor Propane Tankless Gas Water Heater

CAMPLUX ENJOY OUTDOOR LIFE Pro BD158 1.58GPM Outdoor Propane Tankless Gas Water Heater

1.The Camplux BD158 is an excellent choice for tiny house, cabins, lodges, apartments, outdoor showers, boat houses, camp sites, and much more. 2.Could possibly be used in 5th wheels, RV, or campers if you have enough room for proper combustion air and... more

$149.99

FREE shipping

go to store
CAMPLUX ENJOY OUTDOOR LIFE Pro BD264 2.64GPM Outdoor Propane Tankless Gas Water Heater, White

CAMPLUX ENJOY OUTDOOR LIFE Pro BD264 2.64GPM Outdoor Propane Tankless Gas Water Heater, White

1.The Camplux BD264 is an excellent choice for tiny house, cabins, lodges, apartments, outdoor showers, boat houses, camp sites, and much more. 2.Could possibly be used in 5th wheels, RV, or campers if you have enough room for proper combustion air and... more

$219.99

FREE shipping

go to store
Noritz NC1991-ODLP 199,900 BTU Commercial Tankless Water Heater with Outdoor Mounted, Propane

Noritz NC1991-ODLP 199,900 BTU Commercial Tankless Water Heater with Outdoor Mounted, Propane

Noritz provides a near perfect solution for commercial hot water in its NC line of tankless hot water heaters. This modular system can be linked together with up to 24 units, providing over nine million BTUs of hot water per hour. Noritzs new... more

$1,734.19

FREE shipping

go to store
Noritz NC1991-ODNG 199,900 BTU Commercial Tankless Water Heater with Outdoor Mounted, Natural Gas

Noritz NC1991-ODNG 199,900 BTU Commercial Tankless Water Heater with Outdoor Mounted, Natural Gas

Noritz provides a near perfect solution for commercial hot water in its NC line of tankless hot water heaters. This modular system can be linked together with up to 24 units, providing over nine million BTUs of hot water per hour. Noritzs new... more

$1,825.25

FREE shipping

go to store
Noritz NR501-OD-LP Outdoor Tankless Water Heater 5.0 Gpm, Liquid Propane

Noritz NR501-OD-LP Outdoor Tankless Water Heater 5.0 Gpm, Liquid Propane

Outdoor tankless water heater flows up to 5 gallons per minute. Noritz has been an innovator in the water heating industry for over 60 years. We introduced the first modern, electronically controlled tankless water heater in 1981 and we remain the... more

$638.88

FREE shipping

go to store
Rinnai V65EN 6.6 GPM Outdoor Low NOx Tankless Natural Gas Water Heater

Rinnai V65EN 6.6 GPM Outdoor Low NOx Tankless Natural Gas Water Heater

Rinnai's V65E exterior-mount tankless water heater efficiently delivers up to 6.6-Gallon per minute (GPM) of hot water, making it perfect for your one to two and half bathroom home. This easy-to-install, ultra-compact unit lets you enjoy all the... more

$674.09

go to store
Rinnai RU98EN 9.8 GPM Outdoor Ultra-NOx Condensing Tankless Natural Gas Water Heater

Rinnai RU98EN 9.8 GPM Outdoor Ultra-NOx Condensing Tankless Natural Gas Water Heater

Rinnai's condensing tankless water heaters deliver more efficiency than ever before. Available in four models, suitable for mid- to large-sized home. more

$1,250.39

go to store
WaiWela PH2-25ROFL P Outdoor Condensing Propane 180000 BTU Tankless Water Heater

WaiWela PH2-25ROFL P Outdoor Condensing Propane 180000 BTU Tankless Water Heater

WaiWela gas tank less water heaters are great for everything from a seldom-used vacation home, to the main water heater in a home with multiple showers, or even commercial applications such as a Laundromat or carwash. The current line of tank less... more

$1,302.07

FREE shipping

go to store
WaiWela PH2-20ROFL N Outdoor Condensing Natural Gas 150000 BTU Tankless Water Heater

WaiWela PH2-20ROFL N Outdoor Condensing Natural Gas 150000 BTU Tankless Water Heater

WaiWela gas tank less water heaters are great for everything from a seldom-used vacation home, to the main water heater in a home with multiple showers, or even commercial applications such as a Laundromat or carwash. The current line of tank less... more

$1,169.18

FREE shipping

go to store
Noritz NR981-SV-LP Indoor/Outdoor Tankless Water Heater 9.8 Gpm Designed for 4-Inch Single Wall, Class Iii Venting, Liquid Propane

Noritz NR981-SV-LP Indoor/Outdoor Tankless Water Heater 9.8 Gpm Designed for 4-Inch Single Wall, Class Iii Venting, Liquid Propane

Indoor/Outdoor tankless water heater up to 9.8 gallons per minute. Noritz has been an innovator in the water heating industry for over 60 years. We introduced the first modern, electronically controlled tankless water heater in 1981 and we remain the... more

$1,566.62

FREE shipping

go to store
Noritz NCC1991-ODLP 199,900 BTU Commercial Condensing Tankless Water Heater with Outdoor Mounted, Propane

Noritz NCC1991-ODLP 199,900 BTU Commercial Condensing Tankless Water Heater with Outdoor Mounted, Propane

Noritz provides a near perfect solution for commercial hot water in its NC line of tankless hot water heaters. This modular system can be linked together with up to 24 units, providing over nine million BTUs of hot water per hour. Noritzs new... more

$2,894.20

FREE shipping

go to store
Noritz NR662-OD-LP Outdoor Tankless Water Heater 6.6 Gpm, Liquid Propane

Noritz NR662-OD-LP Outdoor Tankless Water Heater 6.6 Gpm, Liquid Propane

Outdoor tankless water heater flows up to 6.5 gallons per minute. Noritz has been an innovator in the water heating industry for over 60 years. We introduced the first modern, electronically controlled tankless water heater in 1981 and we remain the... more

$915.41

FREE shipping

go to store
Takagi T-H2S-OSLP 8.0 GPM Outdoor Condensing Tankless Water Heater Propane Max

Takagi T-H2S-OSLP 8.0 GPM Outdoor Condensing Tankless Water Heater Propane Max

The T-H2S model is available in either Direct Vent (only) or Outdoor (only) models. Takagi's T-H2S is one of the most energy efficient tankless units (up to 0.90 EF) in the Tankless industry. The T-H2S was designed for residential applications. more

$1,616.61

FREE shipping

go to store
Rinnai RUR98eN 9.8 Max GPM Ultra Series Condensing Outdoor Natural Gas Tankless Water Heater with Recirculation

Rinnai RUR98eN 9.8 Max GPM Ultra Series Condensing Outdoor Natural Gas Tankless Water Heater with Recirculation

Rinnai Ultra Series Tankless Water Heaters deliver innovation and technological leadership in condensing tankless water heating design. Providing homeowners with an endless supply of hot water, energy savings, a space-saving design and environmental... more

$1,623.79

go to store
Rinnai RL94eP Outdoor Propane Tankless Water Heater, 9.4 Gallons Per Minute

Rinnai RL94eP Outdoor Propane Tankless Water Heater, 9.4 Gallons Per Minute

Tankless Non Condensing Water Heater more

$1,348.20

go to store
Takagi T-H2S-OSNG 8.0 GPM Outdoor Condensing Tankless Water Heater Natural Gas Max

Takagi T-H2S-OSNG 8.0 GPM Outdoor Condensing Tankless Water Heater Natural Gas Max

The T-H2S model is available in either Direct Vent (only) or Outdoor (only) models. Takagi's T-H2S is one of the most energy efficient tankless units (up to 0.90 EF) in the Tankless industry. The T-H2S was designed for residential applications. more

$1,557.64

FREE shipping

go to store

More information about Plumbing Supplies

Best prices on Ng outdoor tankless water heater in Plumbing Supplies online. Visit Bizrate to find the best deals on top brands. Read reviews on Home & Garden merchants and buy with confidence.