Navien is a relatively young company that develops and manufactures tankless water heaters, established in California in 2006. Navien has managed to quickly gain popularity thanks to their sophisticated engineering and the high-quality of their products. Currently, there are seven models offered by Navien, with their thermal output ranging from 120000 to 200000 BTU/H. All of them work with gas, can be installed in a series arrangement, and feature high-grade materials that are suitable for use in both residential and commercial environments.
Navien Flow Sensor Tankless Water Heater
(73)Navien Flow Sensor 30010537A
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Libra Supply 3/4 inch Lead Free Sweat Tankless Water Heater Isolation Valve Kit with Pressure Relief Valve, FNPT x Sweat, 3/4'' Service Valve Kit for Rheem, Rinnai, Ecosmart Navien Noritz Takagi Bosch
(261)Dezincification Resistant (DZR) Lead Free Brass Easy Installation and Compact Design, Fits all Tankless Water Heater with 3/4 inch MPT Outlet For Hot & Cold Water, FNPT Thread x Sweat connection; Double "O"-ring Stem Seal, Stainless Steel Ball, Large... read more
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Rheem RTGH-84DVLN-2 Natural Gas Condensing Tankless Water Heater, Silver
(17)Condensing Technology for Greater Efficiency and Significant Energy Savings Residential Temperature Settings: 98°F - 140°F Manufactured in Mexico
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Rinnai RUR199iP Indoor Tankless Hot Water Heater, RUR199ip-Propane/11 GPM
(9)Endless hot water for your entire home RUR199ip Sensei SE+ Super High Efficiency Tankless Hot Water Heater - Propane: Indoor Installation Only Up to 11 GPM hot water flow rate (varies by groundwater temp) Control-R 2.0 mobile app features timers and ... read more
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Metpure TKLS-CK Tankless Water Heater natural propane gas Isolation Valve 3/4" Kit | Compatible Noritz Rheem Rinnai Takagi Navien Service Flushing Valves| Lead-Free Complete Easy to Install Flush Kit
(84)◼️ TOP QUALITY: This complete kit includes all components that are crafted from high quality materials for years of usage. The main isolation valve set is factory tested to be leak free so you can be confident that your heater can be maintained perio... read more
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Kelaro Tankless Water Heater Flushing Kit with Rectorseal Calci-Free Descaler
(373)Helps maintain the performance and extend the life of your tankless hot water heater. Everything you need in one kit to descale your tankless water heater in 30 minutes or less | Suitable for DIY Homeowner use with easy to follow directions. Includes... read more
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Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater
(162)94-Percent Energy efficient with stainless-steel condensing heat exchanger Intelligent electronic controls designed to increase energy efficiency and safety Third party efficiency listed by AHRI Up to 38-Feet of 3-Inch PVC Pipe or 5-Feet of 2-Inch PV... read more
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Rinnai Outdoor Tankless Hot Water Heater / V53DeN / Natural Gas /5.3 GPM
(1620)Endless hot water for your entire home V53DeN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Outdoor Installation Only Up to 5.3 GPM hot water flow rate (varies by groundwater temp) Control-R 2.0 mobile app features timers and schedules ... read more
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Rinnai RU199iN RRU199iN, RU199in-Natural Gas/11 GPM
(147)Up to 11 GPM hot water flow rate (varies by groundwater temp) Circ-Logic technology allows you to set recirculation patterns that coincide with your typical habits. Hot water is available when you need it! Residential Factory Warranty - 120 months (h... read more
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EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology,White
(3450)Savings of up to 50% on water heating costs. Dimensions :17H x 17W x 3.625D inches ;Pipes fittings :3/4 inch NPT Digital temperature control in 1-degree increments allows control of hot water; Activation Flow: 0.3 GPM Copper and stainless components ... read more
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Kelaro Tankless Water Heater Flushing Kit - Just add Vinegar Descaler
$114.97***Kit requires 2 gallons of white vinegar*** Not included. Some tankless manufacturers recommend using vinegar or another cleanser for flushing their equipment. Can also save money if you have vinegar at home already. Helps maintain the performance ... read more
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Hydro Master 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief Valve, Clean Brass
(991)Lead Free Brass- Meets all federal & state standards for lead levels in drinking water system components Tankless Water Heater Service Valves 500WOG, colored valve handles for easy identification of hot and cold valves Include a residential pressure ... read more
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Twinkle Star 3/4 Inch IPS Isolator Tankless Water Heater Service Valve Kit, with Pressure Relief Valve, Clean Brass Construction
(314)Twinkle Star 3/4 Inch Isolation Kit involves hot and cold valves 500WOG with 1/4 red and blue handles for easy identification and use. Integrated drain valve with brass safety cap for easily maintenance. Equipped with full port ball valve for better ... read more
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3/4 IPS LF EXP E2 With PRV Tankles
(867)Lead Free - Meets all federal & state standards for lead levels in drinking water system components. Size is 3/4in Tankless Water Heater Service Valves 1 per carton - 10 per case - Individually Priced & Sold Includes a residential pressure relief val... read more
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Kelaro Tankless Water Heater Flushing Kit with Flow-Aide Biodegradable Descaler
(167)Helps maintain the performance and extend the life of your tankless hot water heater. Everything you need in one kit to descale your tankless water heater in 45 minutes or less | Suitable for DIY Homeowner use with easy directions. Includes 1/8 HP Ut... read more
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Watts Tankless Water Heater Service Valve Kit
(547)TANKLESS WATER HEATER VALVE KIT: Watts LFTWH-FT-HCN service valve kit for tankless water heater valves simplify the installation, maintenance and operation of tankless water heaters. SERVICE VALVE KIT FOR TANKLESS WATER HEATER: The tankless water hea... read more
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Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per Minute, 199,000 BTU
(152)Endless hot water, On-demand usage, Compact, Space saving, Energy conservation Computerized safety features, No pilot light to have to worry about Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes Satisf... read more
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Rheem RTG-70DVLN-1 Tankless Water Heater, Grey
(20)Exclusive Water Savings technology conserving up to 1, 100 gallons per year 160, 000 BTU (gas consumed per hour) Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state Recirculation pump ready kit ready For use indo... read more
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Hourleey 3/4 Inch IPS Isolator Tankless Water Heater Service Valve Kit, with Pressure Relief Valve, Clean Brass
(172)Package include: 3/4 Inch Isolation Kit involves hot and cold valves 500WOG with 1/4 red and blue handles, equipped with full port ball valve for better flow rate. Easy to use: Tankless water heater repair valve 500WOG, red and blue valve handle, eas... read more
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Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
(390)Sleek and compact design with digital output temperature display ECOSMART tankless water heaters are 99.8-percent energy efficient Manufactured in United States Pipe Fittings:3/4 inch NPT Required Breaker:4 x 40 A 150 A
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Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology
$460.69Lifetime warranty Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater Never run out of hot water with an ECOSMART tankless water heater Patented Self Modulating Technology and design.Activation flow 0.3 GP... read more
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Rinnai RL94EN RRL94eN, Large, RL94eN-Natural Gas/9.4 GPM
(64)RL94eN HE+ High Efficiency Tankless Hot Water Heater - Natural Gas: Outdoor Installation Only Up to 9.4 GPM hot water flow rate (varies by groundwater temp) Circ-Logic technology allows you to set recirculation patterns that coincide with your typica... read more
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Xiny Tool 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief Valve, Clean Brass
(40)Package include: 3/4 Inch Isolation Kit involves hot and cold valves 500WOG with 1/4 red and blue handles, equipped with full port ball valve for better flow rate. Easy to use: Tankless water heater repair valve 500WOG, red and blue valve handle, eas... read more
(as of June 14, 2021 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Chromex Tankless Water Heater Flush Kit with Certified Liquid Descaling Solution and 1/6HP Extra Strength Pump
(90)6 Piece Tank-less Water Heater Flush Kit. Helps maintain and extend the lifespan of your tank-less water heater Kit comes with 5 gallon bucket with lid, 1/6 HP Pump, 2 Rubber hoses, descaler solution, and an elevated pump grate Our cleaning solution ... read more
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Rinnai RLX94iN RRLX94iN, Large
$1,371.00Endless hot water for your entire home RLX94iN HE+ High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only Up to 9.4 GPM hot water flow rate (varies by groundwater temp) Circ-Logic technology allows you to set recirculation ... read more
(as of June 14, 2021 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology,White
(3450)Savings of up to 50% on water heating costs. Dimensions :17H x 17W x 3.625D inches ;Pipes fittings :3/4 inch NPT Digital temperature control in 1-degree increments allows control of hot water; Activation Flow: 0.3 GPM Copper and stainless components ... read more
(as of June 14, 2021 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology,White
(3450)The product is highly durable The product is easy to use Manufactured in China Copper and stainless components Lifetime warranty for residential use Save up to 60% on your water heating costs with the most advanced, self modulating technology availab... read more
(as of June 14, 2021 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)