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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Navien NPE-240A2 199,000 BTU Condensing Tankless Water Heater – Indoor/Outdoor High-Efficiency (NG/LP Convertible)
Pricing available in-store only -
Navien NaviCirc Recirculation Valve Kit (240A & NFC Models)
Starting at Best Price $72/each25 in stock
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Navien NPE-240S2-NG Tankless Condensing Water Heater – 199,000 BTU & Max 11.1 GPM
Pricing available in-store only -
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Noritz 199,900 BTU 9.8 GPM Liquid Propane Gas Tankless Water Heater
Starting at Best Price $1,470.52/each6 in stock
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Noritz 9.8 GPM Indoor Tankless Water Heater – Natural Gas, 199,900 BTU
Starting at Best Price $1,485.54/each12 in stock
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Navien Tankless Water Heater - NPE-180A2-NG Condensing - 150k BTU NG
Pricing available in-store only -
Stiebel Eltron 232099 Mini 3.5 Point-of-Use Tankless Electric Water Heater - 3.5 kW, 0.40 GPM
Starting at Best Price $242.73/each31 in stock
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Noritz 180,000 BTU 9.8 GPM 120 Volts Liquid Propane Residential Tankless Water Heater
Starting at Best Price $1,609.49/each5 in stock
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Stiebel Eltron 240V-24Kw-100Amp Tankless Water Heater
Starting at Best Price $958.10/each4 in stock
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Noritz 380,000 Btu Ss 13.2 Gpm Asme T/Gas Commercial Tankless Water Heater - NC380-SV-ASME-NG
Starting at Best Price $4,743.66/each3 in stock
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Noritz Easy Series NG Tankless Water Heater – 75 Gallon Tank Replacement
Starting at Best Price $2,331.83/each3 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
Starting at Best Price $1,529.03/each7 in stock
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Noritz 199,900 BTU 11.1 GPM 120 Volts Liquid Propane Residential Tankless Water Heater
Starting at Best Price $1,755.88/each2 in stock
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Navien NPN-180 Series LP Non-Condensing Tankless Water Heater – 180,000 BTU & Outdoor/Indoor Installation
Pricing available in-store only -
Noritz Lp 11.1 Gpm 199,9 Btu Indoor Tankless Water Heater
Starting at Best Price $1,755.88/each5 in stock
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Noritz 199900 Btu 11.1 Gpm T/Gas Tankless Water Heater
Starting at Best Price $1,755.88/each5 in stock
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Noritz 6.6 GPM Indoor Tankless Water Heater – Propane (LP Gas), Direct Vent
Starting at Best Price $1,082.26/each4 in stock
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Noritz Ng Easy 50 Gal Tankless Water Heater Replacement
Starting at Best Price $2,098.65/each7 in stock
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Noritz 120,000 BTU 6.6 GPM Natural Gas Residential Tankless Water Heater
Starting at Best Price $1,082.26/each3 in stock
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Noritz Easy Series 180,000 Btu Natural Gas Unit Tankless Water Heater
Starting at Best Price $1,639.68/each2 in stock
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Noritz Easy Series LP Tankless Water Heater – 75 Gallon Tank Replacement
Starting at Best Price $2,331.83/each7 in stock
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Noritz NRC661-OD-NG Outdoor Natural Gas Residential Tankless Water Heater
Starting at Best Price $1,082.26/each1 in stock
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Noritz Lp 7.1 Gpm 157K Btu Outdoor Tankless Water Heater
Starting at Best Price $1,331.99/each2 in stock
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Noritz 7.1 GPM Indoor Tankless Water Heater – Natural Gas, 157,000 BTU
Starting at Best Price $1,331.99/each2 in stock
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NPN-E Series Navien Non-Condensing Tankless Water Heater 180K BTU, 0.81 EF
Pricing available in-store only -
Navien 30014367B Backdraft Damper – OEM Replacement Venting Component
Starting at Best Price $52.50/each4 in stock
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Stiebel Eltron 202647 Model DHC 3-2 Classic Single Sink Point-of-Use Electric Tankless Water Heater, 240V, 1 Phase, 50/60 Hz, Hydraulically Controlled, Safety High Limit Switch
Starting at Best Price $228.44/each3 in stock
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Temperature Remote Controller (TM-RE30)
Starting at Best Price $127.50/each
