Top 8 Tankless Gas Water Heater – Water Heater Replacement Parts

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1. Rheem


Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater

Rheem #ad - Third party efficiency listed by AHRI. 94-percent energy efficient with stainless-steel condensing heat exchanger. Up to 38-feet of 3-inch pvc pipe or 5-Feet of 2-Inch PVC Pipe. Low nox Version. Intelligent electronic controls designed to increase energy efficiency and safety.
BrandRheem #ad
ManufacturerRheem #ad
Height27.5 Inches
Length18.5 Inches
Width9.75 Inches
Part NumberRTGH-95DVLN

2. Rheem


Rheem RTG-84DVLN 8.4 GPM Low NOx Direct Vent Tankless Natural Gas Water Heater

Rheem #ad - Low nox Version. Umc-117 remote control and 10-Feet of thermostat wire is included. Direct Vent Indoor. At 35-degree Rise. Natural gas Tankless Water Heater. 8. 4 gal/min.
BrandRheem #ad
ManufacturerUnited Logistics of America #ad
Height26 Inches
Length14 Inches
Weight54 Pounds
Width10 Inches
Part NumberRTG-84DVLN

3. Eccotemp


Eccotemp L10 Portable Water Heater w/ EccoFlo Diaphragm 12V Pump and Strainer

Eccotemp #ad - 1/2 hose barb x quad 90 degree strainer. Includes 3. 5' hose and csa regulator for use with standard 20lb grill propane tank. 2. 9 gpmgallons per minute, 12 volt, 50 PSI, 4.4 amp Pump. Liquid Propane Powered. Battery igniter means no electricity needed.
BrandEccotemp #ad
ManufacturerEccotemp Systems #ad
Height6.5 Inches
Length28 Inches
Weight25.7 Pounds
Width17 Inches
Part NumberL10 Pump/Strainer Bundle
ModelL10 Pump/Strainer Bundle
Warranty1 year warranty

4. Kahenian


Takagi, 3/4" Service Installation Valve for Rheem, Rinnai, Kahenian 3/4 inch Tankless Water Heater Isolation Service Valve Complete Kit with Pressure Relief Valve, FNPT X FNPT, EcoSmart

Kahenian #ad - Easy installation- hot and cold installation service valves come included with 2 brass nipples 3/4", 1 gas line hose 3/4" fiP x 3/4" FIP x 18", 2 water line hoses: 3/4" FIP x 3/4" FIP x 18".

Compatibility- connects to most major tankless water heater brands such as Rheem, Takagi, Navien, Ecosmart, Rinnai, Bosch, and Nortiz. No questions asked. Meet insdustry standards- material is made of clean brass for low lead codes and meets ANSI/NSF standards and UPC codes. Quick connection- pressure relief Valve comes included for connection to hot valve. 30-day money back- if you are not 100% satisfied with the product just return the product. Your satisfaction is always our priority. Also, comes with free PTFE Thread Seal tape for your convenience.
BrandKahenian #ad
ManufacturerKahenian #ad



Natural Gas, Takagi T-H3M-DV-N Condensing Direct Vent Tankless Water Heater

TAKAGI #ad - Inlet, outlet thermistors for constant temperature monitoring. Perfect for light residential and radiant heating applications. Manufactured in Japan.
BrandTAKAGI #ad
ManufacturerTakagi #ad
Height29.5 Inches
Length17.75 Inches
Weight44 Pounds
Width13.12 Inches
Part NumberT-H3M-DV-N

6. Rheem


Rheem RTGH-84DVLN Indoor Direct Vent Natural Gas Condensing Tankless Water Heater Low Nox

Rheem #ad - Built-in electric blower Supplied with a 120 volt power cord. Environmentally friendly Low Knox burner meets SCAQMD rule 1146 requirements. Freeze protection to -30 Degree F.
BrandRheem #ad
ManufacturerRheem #ad
Height27.5 Inches
Length9.75 Inches
Width18.5 Inches
Part NumberRTGH-84DVLN

7. Kozyvacu


Kozyvacu 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Clean Brass Construction FNPTxFNPT

Kozyvacu #ad - Hi-flow hose drains 500 wog &pressure relief valve 150 psi/200K BTU. 3/4 ips lead free isolator with lead free pressure relief valve. Hot and cold set tankless water heater service valve with female NPT connectors. Lead free - meets all federal & state standards for lead levels in Drinking water system components. Full port brass ball valves with adjustable packing gland.
BrandKozyvacu #ad
ManufacturerKozyard #ad

8. Kelaro


Kelaro Tankless Water Heater Kits, Calci-Free Calci-Free

Kelaro #ad - Works with rheem, eccotemp, rinnai, atmor, Noritz, ecosmart, navien, Tempra, Takagi, stiebel, bosch, Marey Power, Trutankless and others.

Helps maintain the performance and extend the life of your tankless hot water heater. Includes 1/8 hp utility pump, 3. 5 gallon bucket with ez-off lid, 6 ft color coded Hoses, Instructions & Calci-Free Tankless Water Heater Flush Cleaner - more effective than vinegar with no strong odor. 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. Easily connects to tankless isolation valves using supplied 6' Color Coded Rubber Hoses.
BrandKelaro #ad
ManufacturerKelaro #ad
Weight1.19 Pounds
Part NumberKTWHFK

9. Libra Supply


Ecosmart, Navien, FNPT x FNPT, Bosch, Noritz, Rinai, 3/4'' Service Valve for Rheem, Takagi, Libra Supply 3/4 inch Lead Free Tankless Water Heater Service Valve Kit with Pressure Relief Valve

Libra Supply #ad - 100% leak tested, standard brass version, Pressure Relief Valve Included. Lead Free. For hot & cold water, fnpT x FNPT Thread connection. Easy installation and compact design, Fits all Tankless Water Heater with 3/4 inch MPT Outlet. Complies with nSF/ANSI 61.
BrandLibra Supply #ad
ManufacturerLibra Supply #ad
Part NumberLS-C5452LF