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  5. Water Heaters
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  7. Gas Tankless Water Heaters

Gas Tankless Water Heaters (136 items) - Page 3

Eccotemp Builder Grade  6.0 GPM Indoor Natural Gas Tankless Water Heater 6GB-ING
Eccotemp

Builder Grade 6.0 GPM Indoor Natural Gas Tankless Water Heater

Zoro # G606372492
Mfr # 6GB-ING
product price:  $732.99
/ea
Eccotemp Luxe 3.0 GPM Portable Outdoor Tankless Water Heater with EccoFlo Diaphragm 12V Pump and Strainer EL10-PS
Eccotemp

Luxe 3.0 GPM Portable Outdoor Tankless Water Heater with EccoFlo Diaphragm 12V Pump and Strainer

Zoro # G310919723
Mfr # EL10-PS
product price:  $418.99
/ea
Rheem Gas Tankless Water Heater, 54.3 in H RTRS-WH330DVLN
Rheem

Gas Tankless Water Heater, 54.3 in H

Zoro # G416389215
Mfr # RTRS-WH330DVLN
product price:  $9,559.99
/ea
Rheem Gas Tankless Water Heater, 54.3 in H RTRS-WH330DVLP
Rheem

Gas Tankless Water Heater, 54.3 in H

Zoro # G616389244
Mfr # RTRS-WH330DVLP
product price:  $9,559.99
/ea
Rheem Gas Tankless Water Heater, 54.3 in H RTRS-FS633XLN
Rheem

Gas Tankless Water Heater, 54.3 in H

Zoro # G116389225
Mfr # RTRS-FS633XLN
product price:  $22,809.99
/ea
Rheem Gas Tankless Water Heater, 54.3 in H RTRS-FS633DVLN
Rheem

Gas Tankless Water Heater, 54.3 in H

Zoro # G516389146
Mfr # RTRS-FS633DVLN
product price:  $22,809.99
/ea
Rheem Gas Tankless Water Heater, 54.3 in H RTRS-FS630DVLN
Rheem

Gas Tankless Water Heater, 54.3 in H

Zoro # G616389220
Mfr # RTRS-FS630DVLN
product price:  $12,449.99
/ea
Rheem Gas Tankless Water Heater, 54.3 in H RTRS-FS633DVLP
Rheem

Gas Tankless Water Heater, 54.3 in H

Zoro # G916389142
Mfr # RTRS-FS633DVLP
product price:  $22,809.99
/ea
Mrcool Liquid Propane Tankless Water Heater MHWH199NCLU
Mrcool

Liquid Propane Tankless Water Heater

Zoro # G107461275
Mfr # MHWH199NCLU
product price:  $1,799.99
/ea
Rheem Gas Tankless Water Heater, 54.3 in H RTRS-FS630XLP
Rheem

Gas Tankless Water Heater, 54.3 in H

Zoro # G216389194
Mfr # RTRS-FS630XLP
product price:  $12,449.99
/ea
No Product Image Available
Rheem

Gas Tankless Water Heater

Zoro # G016389202
Mfr # RTGH-SX
product price:  $41.99
/ea
Eccotemp Luxé 1.85 GPM Outdoor Portable Tankless Water Heater w/ EccoFlo 12V Pump and Strainer EL7-PS
Eccotemp

Luxé 1.85 GPM Outdoor Portable Tankless Water Heater w/ EccoFlo 12V Pump and Strainer

Zoro # G502751650
Mfr # EL7-PS
product price:  $317.99
/ea
Eccotemp Luxe 3.0 GPM Portable Outdoor Tankless Water Heater EL10
Eccotemp

Luxe 3.0 GPM Portable Outdoor Tankless Water Heater

Zoro # G710919729
Mfr # EL10
product price:  $341.99
/ea
Eccotemp 6.8 GPM Indoor Liquid Propane Tankless Water Heater 6.8GB-ILP
Eccotemp

6.8 GPM Indoor Liquid Propane Tankless Water Heater

Zoro # G215553855
Mfr # 6.8GB-ILP
product price:  $679.99
/ea
Rinnai 9 GPM Commercial 160000 BTU Exterior/Interior Propane/Natural Gas Gas Tankless Water Heater CXP160iN
Rinnai

9 GPM Commercial 160000 BTU Exterior/Interior Propane/Natural Gas Gas Tankless Water Heater

Zoro # G611177822
Mfr # CXP160iN
product price:  $1,787.10
/ea
Rheem Gas Tankless Water Heater, 56.7 in H RTRS-WH220XLP
Rheem

Gas Tankless Water Heater, 56.7 in H

Zoro # G016389196
Mfr # RTRS-WH220XLP
product price:  $6,909.99
/ea
Eccotemp L10 Portable Outdoor Tankless Water Heater w/ Shower Set L10-SET
Eccotemp

L10 Portable Outdoor Tankless Water Heater w/ Shower Set

Zoro # G902751649
Mfr # L10-SET
product price:  $362.99
/ea
Eccotemp Builder Grade  7.0 GPM Outdoor Natural Gas Tankless Water Heater 7GB-NG
Eccotemp

Builder Grade 7.0 GPM Outdoor Natural Gas Tankless Water Heater

Zoro # G206372489
Mfr # 7GB-NG
product price:  $790.99
/ea
Eccotemp L10 Portable Outdoor Tankless Water Heater w/ EccoFlo 12V Pump, Strainer & Shower head L10-PSSET
Eccotemp

L10 Portable Outdoor Tankless Water Heater w/ EccoFlo 12V Pump, Strainer & Shower head

Zoro # G902751625
Mfr # L10-PSSET
product price:  $403.99
/ea
Rheem Gas Tankless Water Heater, Natural Gas RTG-95DVLN-3 / 701258
Rheem

Gas Tankless Water Heater, Natural Gas

Zoro # G912486173
Mfr # RTG-95DVLN-3 / 701258
product price:  $1,860.99
/ea
Anzzi 17.13 in " x 8.07 in " x 12 in " 180,000 WH-AZ03-180-LPI
Anzzi

17.13 in " x 8.07 in " x 12 in " 180,000

Zoro # G815871618
Mfr # WH-AZ03-180-LPI
product price:  $1,009.99
/ea
Anzzi 15.35 in " x 10.28 in " x 14.17 in " 199,000 WH-AZ02-199-NGI
Anzzi

15.35 in " x 10.28 in " x 14.17 in " 199,000

Zoro # G315871613
Mfr # WH-AZ02-199-NGI
product price:  $1,149.99
/ea
Anzzi 17.13 in " x 8.07 in " x 12 in " 180,000 WH-AZ51-180-NGO
Anzzi

17.13 in " x 8.07 in " x 12 in " 180,000

Zoro # G715871619
Mfr # WH-AZ51-180-NGO
product price:  $1,059.99
/ea
Anzzi 15.35 in " x 10.28 in " x 14.17 in " 199,000 WH-AZ04-199-LPI
Anzzi

15.35 in " x 10.28 in " x 14.17 in " 199,000

Zoro # G315871620
Mfr # WH-AZ04-199-LPI
product price:  $1,209.99
/ea
Anzzi 15.35 in " x 10.28 in " x 14.17 in " 199,000 WH-AZ52-199-NGO
Anzzi

15.35 in " x 10.28 in " x 14.17 in " 199,000

Zoro # G915871617
Mfr # WH-AZ52-199-NGO
product price:  $1,180.99
/ea
Anzzi 17.13 in " x 8.07 in " x 12 in " 180,000 WH-AZ53-180-LPO
Anzzi

17.13 in " x 8.07 in " x 12 in " 180,000

Zoro # G215871614
Mfr # WH-AZ53-180-LPO
product price:  $1,059.99
/ea
Mizudo 5.1-GPM Propene Gas Tankless Water Heater, Residential Indoor, 120,000-BTU FDG-CS120BW-LP
Mizudo

5.1-GPM Propene Gas Tankless Water Heater, Residential Indoor, 120,000-BTU

Zoro # G115189796
Mfr # FDG-CS120BW-LP
original price:  $599.99 , new price: $509.99 , 15 percent off
15% off
new price:  $509.99
/ea
Anzzi 15.35 in " x 10.28 in " x 14.17 in " 199,000 WH-AZ54-199-LPO
Anzzi

15.35 in " x 10.28 in " x 14.17 in " 199,000

Zoro # G015871616
Mfr # WH-AZ54-199-LPO
product price:  $1,209.99
/ea
Anzzi 17.13 in " x 8.07 in " x 12 in " 180,000 WH-AZ01-180-NGI
Anzzi

17.13 in " x 8.07 in " x 12 in " 180,000

Zoro # G115871615
Mfr # WH-AZ01-180-NGI
product price:  $1,059.99
/ea
Mizudo 5.1-GPM Natural Gas Tankless Water Heater, Residential, 120, 000-BTU, Outdoor Installation only FDG-CS120SBW-NG
Mizudo

5.1-GPM Natural Gas Tankless Water Heater, Residential, 120, 000-BTU, Outdoor Installation only

Zoro # G815189768
Mfr # FDG-CS120SBW-NG
original price:  $599.99 , new price: $529.99 , 11 percent off
11% off
new price:  $529.99
/ea
Rheem Gas Tankless Water Heater, 54.3 in H RTRS-FS411DVLN
Rheem

Gas Tankless Water Heater, 54.3 in H

Zoro # G416389284
Mfr # RTRS-FS411DVLN
product price:  $8,099.99
/ea
Rheem Gas Tankless Water Heater, Natural Gas RTGH-S84i
Rheem

Gas Tankless Water Heater, Natural Gas

Zoro # G811677658
Mfr # RTGH-S84i
product price:  $1,382.99
/ea
Rheem Gas Tankless Water Heater, 54.3 in H RTRS-FS632XLN
Rheem

Gas Tankless Water Heater, 54.3 in H

Zoro # G516389191
Mfr # RTRS-FS632XLN
product price:  $18,989.99
/ea
Eccotemp Builder Grade 6.0 GPM Indoor Liquid Propane Tankless Water Heater 6GB-ILP
Eccotemp

Builder Grade 6.0 GPM Indoor Liquid Propane Tankless Water Heater

Zoro # G706372491
Mfr # 6GB-ILP
product price:  $658.99
/ea
Rheem Gas Tankless Water Heater, 54.3 in H RTRS-WH330XLN
Rheem

Gas Tankless Water Heater, 54.3 in H

Zoro # G016389233
Mfr # RTRS-WH330XLN
product price:  $9,559.99
/ea
Rheem Gas Tankless Water Heater, 54.3 in H RTRS-FS411XLP
Rheem

Gas Tankless Water Heater, 54.3 in H

Zoro # G916389180
Mfr # RTRS-FS411XLP
product price:  $8,099.99
/ea
Gas Tankless Water Heaters (136 items) - Page 3
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About Gas Tankless Water Heaters

Gas Tankless Water Heaters are an efficient and convenient way to provide hot water on demand. Rather than storing hot water in a tank, these units use natural gas or liquid propane to heat water as it passes through the unit. This means you can have endless hot water without worrying about running out or wasting energy. Gas Tankless Water Heaters are popular in both residential and commercial settings due to their energy efficiency, space-saving design, and long lifespan.

Types of Gas Tankless Water Heaters

Gas Tankless Water Heaters come in both indoor and outdoor models, and can be powered by either natural gas or liquid propane. The type of gas used can impact the unit's efficiency and cost, so it's important to choose the right type for your needs. Residential units typically run on 120V or 240V electricity, while commercial units may require higher voltage. Outdoor units are typically more expensive but do not require venting, while indoor units require proper ventilation to prevent carbon monoxide buildup.

How Gas Tankless Water Heaters are Made

Gas Tankless Water Heaters are typically made with a heat exchanger, which heats the water as it passes through. The heat exchanger is made of materials such as copper, stainless steel, or aluminum, which are chosen for their ability to transfer heat efficiently. The units also include a burner, which is fueled by natural gas or liquid propane, and a computer control module, which regulates the unit's temperature and flow rate. Some units may also include additional features such as a recirculation pump or condensing technology to further increase efficiency.

Industries that use Gas Tankless Water Heaters

Gas Tankless Water Heaters are commonly used in industries such as hospitality, food service, and healthcare, where hot water is needed on demand for tasks such as cooking, cleaning, and bathing. In residential settings, they are popular in homes with multiple bathrooms or large families who need a steady supply of hot water. They are also used in commercial settings such as laundromats, car washes, and factories, where hot water is needed for a variety of applications. Gas Tankless Water Heaters are often installed by licensed professionals who can ensure proper ventilation, gas line connections, and electrical wiring.

Find the Gas Tankless Water Heaters You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of plumbing tools & supplies, along with other equipment and essentials to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

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