Collection: Tankless Water Heaters
Explore our full range of high-performance tankless water heaters from industry leaders Navien and Noritz. Whether you're looking for indoor or outdoor units, condensing or non-condensing models, we offer a wide selection to suit residential and commercial needs. Enjoy energy efficiency, endless hot water, and space-saving designs—perfect for modern applications. Find the ideal capacity and model for your project with expert-approved options.
3 Subcategories
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Noritz 199,900 BTU 9.8 GPM Liquid Propane Gas Tankless Water Heater
APEX # ONR98ODLP | Manufacturer # GQ-2857WX US LPStarting at Standard $1,617.57/eachPRO$1,478.46/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
9 in stock
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Stiebel Eltron 240V-24Kw-100Amp Tankless Water Heater
APEX # O00FW24B0 | Manufacturer # 239222Starting at Standard $1,053.91/eachPRO$963.27/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
6 in stock
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Noritz 180,000 BTU 9.8 GPM 120 Volts Liquid Propane Residential Tankless Water Heater
APEX # o0098dvlp | Manufacturer # GQ-C2857WS-FF US LPStarting at Standard $1,770.43/eachPRO$1,618.17/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
8 in stock
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Noritz 199,900 BTU 11.1 GPM 120 Volts Liquid Propane Residential Tankless Water Heater
APEX # O0000ODLP | Manufacturer # GQ-C3257WX US LPStarting at Standard $1,931.47/eachPRO$1,765.36/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
5 in stock
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Noritz 120,000 BTU 6.6 GPM Natural Gas Residential Tankless Water Heater
APEX # O00006610 | Manufacturer # NRC661-DV-NGStarting at Standard $1,190.49/eachPRO$1,088.11/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
4 in stock
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Navien Tankless Max 11.1 Gpm Max Btu 199K
APEX # onpe240sng | Manufacturer # NPE-240S2-NGPricing available in-store only -
Temperature Remote Controller (TK-RE02)
APEX # O00TKRE01 | Manufacturer # 100112183Starting at Standard $117.15/eachPRO$107.08/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
1 in stock
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Temperature Remote Controller (TM-RE30)
APEX # O00TKRE10 | Manufacturer # 100112155Starting at Standard $140.25/eachPRO$128.19/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
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Takagi 100227715 200 Tankless Water Heater, Liquid Propane/Natural Gas Fuel, 190000 Btu/hr Heating, Indoor/Outdoor: Outdoor, Non-Condensing, 8 gpm Flow Rate, 4 in Vent, 0.82, Commercial/Residential
APEX # o0tk3osng | Manufacturer # 100227715Starting at Standard $1,095.60/eachPRO$1,001.38/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
8 in stock
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Stiebel Eltron 240V-14.4Kw-60Amp Tankless Water Heater
APEX # O00FW15B0 | Manufacturer # 239220Starting at Standard $959.53/eachPRO$877.01/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
3 in stock
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Stiebel Eltron 240V-36Kw-150Amp Tankless Water Heater
APEX # O00FW0036 | Manufacturer # 239225Starting at Standard $1,164.02/eachPRO$1,063.91/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
6 in stock
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Noritz 11.1 Gpm Ng Indoor W/Htr W/Pump
APEX # onor12ng | Manufacturer # NRCP1112DVNGStarting at Standard $1,864.61/eachPRO$1,704.25/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
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Noritz 9.8 GPM NG Indoor Tankless WH W/Pump
APEX # O29800982 | Manufacturer # NRCP982DVNGStarting at Standard $1,712.40/eachPRO$1,565.13/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
1 in stock
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Noritz 380000 Btu Ss 13.2 Gpm Asme T/Gas
Starting at Standard $5,218.03/eachPRO$4,769.28/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
5 in stock
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Noritz Easy Series 180,000 Btu Tural Gas Unit
APEX # O0EZ98DVNG | Manufacturer # GQ-C2860WX-FF US NGStarting at Standard $1,778.43/eachPRO$1,625.49/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
6 in stock
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Noritz 180,000 BTU 9.8 GPM 120 Volts Liquid Propane Residential Tankless Water Heater
APEX # O0EZ98DVLP | Manufacturer # GQ-C2860WX-FF US LPStarting at Standard $1,778.43/eachPRO$1,625.49/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
3 in stock
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Noritz Ez/Eztr Series Flex Vent Kit 35 Feet
APEX # O0EZ2FVK2 | Manufacturer # EZ2FVK-2Starting at Standard $630.34/eachPRO$576.13/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
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Noritz 199,900 BTU 11.1 GPM NG Residential Tankless Water Heater
APEX # O0EZ111DVNG | Manufacturer # GQ-C3260WX-FF US NGStarting at Standard $1,901.90/eachPRO$1,738.34/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
4 in stock
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Noritz Easy Series 199,900 Btu Lp Gas Unit
APEX # O0EZ111DVLP | Manufacturer # GQ-C3260WX-FF US LPStarting at Standard $2,034.90/eachPRO$1,859.90/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
4 in stock
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Noritz Lp 6.6 Gpm Outdoor W/Htr
APEX # O066200LP | Manufacturer # NR662-OD-LPStarting at Standard $1,017.30/eachPRO$929.81/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
5 in stock
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Noritz 6.6Gpm Lp Gas Indoor Dv W/Htr
APEX # O066100LP | Manufacturer # NRC661-DV-LPStarting at Standard $1,190.49/eachPRO$1,088.11/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
3 in stock
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Noritz 9.2Gpm Condensing Recirculation Lp Tankless Heater
APEX # O01000LPG | Manufacturer # GQ-C2660WXQ-FF US LPStarting at Standard $2,097.71/eachPRO$1,917.31/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
4 in stock
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Noritz Direct Vent (Standard Vent Convertible, EZ Convertible, OD Convertible) with Built-In Max 165,000 BTU 9.0 GPM Natural Gas
APEX # O010000NG | Manufacturer # GQ-C2660WXQ-FF US NGStarting at Standard $2,097.71/eachPRO$1,917.31/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
5 in stock
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Noritz Lp Easy 40 Gal Tank Replacement
APEX # O00EZ40LP | Manufacturer # EZTR40-LPStarting at Standard $1,673.80/eachPRO$1,529.85/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
9 in stock
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Noritz Lp Easy 75 Gal Tank Replacement
APEX # O00EZ007L | Manufacturer # EGQ-C3260WX-FF US LPStarting at Standard $2,565.01/eachPRO$2,344.42/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
8 in stock
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Noritz Ng Easy 75 Gal Tank Replacement
APEX # O00EZ0075 | Manufacturer # EGQ-C3261WX-FF USStarting at Standard $2,565.01/eachPRO$2,344.42/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
6 in stock
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Noritz Liquid Propane Easy 50 Gal Tank Replacement
APEX # O00EZ005L | Manufacturer # EGQ-C2860WX-FF US LPStarting at Standard $2,308.52/eachPRO$2,109.99/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
9 in stock
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Noritz Ng Easy 50 Gal Tank Replacement
APEX # O00EZ0050 | Manufacturer # EGQ-C2861WX-FF USStarting at Standard $2,308.52/eachPRO$2,109.99/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
5 in stock
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Noritz Ng Easy 40 Gal Tank Replacement
Starting at Standard $1,673.80/eachPRO$1,529.85/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
6 in stock
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Noritz 11.1Gpm Condensing Recirculation Lp Tankless Heater
APEX # O009900LP | Manufacturer # GQ-C3260WXQ-FF US LPStarting at Standard $2,226.98/eachPRO$2,035.46/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
6 in stock
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Noritz GQ-C2857WS-FF-US-NG 180,000 BTU Residential Indoor Condensing Direct Vent Natural Gas Tankless Water Heater
APEX # O0098DV00 | Manufacturer # GQ-C2857WS-FF US NGStarting at Standard $1,681.93/eachPRO$1,537.28/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
3 in stock
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Noritz 9.85 Gpm Lp Convertible Vent 180,000Btu
APEX # o0098cdvlp | Manufacturer # GQ-2857WX-FFA US LPStarting at Standard $1,770.43/eachPRO$1,618.17/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
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Noritz NRC66ODLP Outdoor Condensing Direct Vent Tankless Water Heater, 6.6 GPM - Liquid Propane
APEX # O00661ODLP | Manufacturer # NRC661-OD-LPStarting at Standard $1,190.49/eachPRO$1,088.11/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
6 in stock
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Noritz Flex Vent 2"Conversion Kit
APEX # O000EZ2CK | Manufacturer # EZ2-CK-1Starting at Standard $140.34/eachPRO$128.27/eachAPEX PRO
Members of APEX PRO enjoy discounted prices of 10% OFF or MORE + priority support.
Not ready for Apex Pro pricing yet long term? Click the link below to try us 1 time for a plumber pricing discount code.
3 in stock
