Top 9 Natural Gas Water Heater – Water Heater Replacement Parts

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1. Rheem

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

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Rheem #ad - Tankless gas water Heaters are cost saving and energy efficient. Continuous hot water – never run out of hot water, even with back-to-back showers. For indoor use only. Easy, convenient control –easily adjust water temperature ranging from 85˚F–140˚F. Reduces energy consumption - Automatically adjusts the amount of energy required to heat the water you need.
BrandRheem #ad
ManufacturerUnited Logistics of America #ad
Height26 Inches
Length14 Inches
Weight54 Pounds
Width10 Inches
Part NumberRTG-84DVLN-1
ModelRTG-84DVLN-1

2. Rheem

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Rheem Mid-Efficiency 7.0GPM Indoor Natural Gas Tankless Water Heater

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Rheem #ad - Reduces energy consumption – All Rheem tankless gas models automatically adjust the amount of energy required to heat the water you need. Easy, convenient control – rheem's tankless remote electronic thermostat allows easy adjustment of water temperature ranging from 85˚F–140˚F. Tankless gas water Heaters are cost saving and energy efficient. Continuous hot water – never run out of hot water, even with back-to-back showers. Reduces energy consumption - Automatically adjusts the amount of energy required to heat the water you need.
BrandRheem #ad
ManufacturerRheem #ad
Height25.63 Inches
Length9.88 Inches
Weight62 Pounds
Width13.88 Inches
Part NumberRTG-70DVLN-1
ModelRTG-70DVLN-1

3. TAKAGI

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

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TAKAGI #ad - Inlet, outlet thermistors for constant temperature monitoring. Manufactured in Japan. Perfect for light residential and radiant heating applications.
BrandTAKAGI #ad
ManufacturerTakagi #ad
Height29.5 Inches
Length17.75 Inches
Weight44 Pounds
Width13.12 Inches
Part NumberT-H3M-DV-N
ModelTH3MDVNG

4. American Water Heater

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AMERICAN WATER HEATER GIDDS-481321 Natural Gas Bfg Conversion Kit Fg-50T40-481321

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American Water Heater #ad - Made in United States. This product is used in wide range of applications. Easily fits and this is easy to install.
BrandAmerican Water Heater #ad
ManufacturerAMERICAN WATER HEATER #ad
Height6.2 Inches
Length15.6 Inches
Weight2 Pounds
Width10.9 Inches
Part Number100093812
ModelGIDDS-481321

5. American Water Heater

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AMERICAN WATER HEATER GIDDS-481320 Natural Gas Bfg Conversion Kit Fg-40T40-481320

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American Water Heater #ad - Natural gas bfg conversion Kit Fg-40T40 Made in United States. Easily fits and this is easy to install.
BrandAmerican Water Heater #ad
ManufacturerAMERICAN WATER HEATER #ad
Height6 Inches
Length17.3 Inches
Weight2.09 Pounds
Width10.75 Inches
Part Number100093811
ModelGIDDS-481320

6. Robertshaw

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Robertshaw 110-202 Water Heater Thermostat with 1-3/8" Shank, Natural Gas, 4" W.C

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Robertshaw #ad - W. C. Natural Gas. Shank, 4 In. Robertshaw water heater thermostat with 1-3/8 In. 110-202. Robertshaw.
BrandRobertshaw #ad
ManufacturerRobertshaw #ad
Height4.75 Inches
Length9.25 Inches
Weight1.59 pounds
Width6 Inches
Part Number110-202
Model17002704

7. Rheem

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Rheem PROG50-42N RH67 PV Professional Classic Residential 42K BTU Power Vent Natural Gas Water Heater, 50-Gallon

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Rheem #ad - Long venting lengths up to 100 equivalent feet. Rheum exclusive R-Tech registered anode rod provides long-lasting tank protection. Maintenance free - no filter to clean. Exclusive air/fuel shut-off device. Uses indoor air for combustion; blower exhausts the flue gases.
BrandRheem #ad
ManufacturerRheem #ad
Height65 Inches
Length21 Inches
Weight159.99 Pounds
Width21 Inches
Part NumberPROG50-42N RH67 PV
ModelPROG50-42N RH67 PV

8. Rheem

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Silver, RHEEM RTGH-84DVLN-2 Natural Gas Condensing Tankless Water Heater, Beige, Gray & SP20286 3 Vent Termination Kit

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Rheem #ad - Product 1: low operating cost - High energy efficiency and water savings setting. Product 2: hvac replacement Part Rheem Sp20286. Product 1: hot water without the wait - or the waste. Product 1: water & gas leak Detection will shut down unit and provide an error code. Perfect for a tank replacement. Product 2: rheem/ruud Replacement 3-Inch Vent Termination. Product 2: vent Termination - 3 In. Product 1: space savings - Compact, space-saving design. Product 2: brand Name: Rheem.
BrandRheem #ad

9. MRONextDay.com

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11.2 GPM Maximum Flow Rate, 0.95 UEF, MRO Next Day 199,000 BTU, Condensing Tankless Water Heater NPE-240A2, Includes LP Conversion Kit and Outdoor Vent Kit 30025801A, Natural Gas, High-Efficiency

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MRONextDay.com #ad - The cascading system balances out the workload of each unit for longer life. The npe-240a2 can be cascaded with up to 32 units with ready-link technology. More output for the money, lower installation costs, and lower operating costs for customers make the NPE-240A2 the best choice for your next installation.

This unit comes with a 1-year labor, 3-year parts, and 5-year heat exchanger limited manufacturer’s warranty from defects arising out of the manufacturing process. Up to 12 units can share a vent reducing building penetrations using the common venting feature. This bundle includes a npe-240a2 tankless water heater, LP conversion kit, and outdoor vent kit. The npe-a2 line of water heaters are so efficient that they outperform much larger capacity non-condensing competitors. When a unit gets up to 80% capacity the next unit will turn on to help meet requirements.
BrandMRONextDay.com #ad
ManufacturerMRONextDay.com #ad
Height27.4 Inches
Length13.2 Inches
Weight77 Pounds
Width17.3 Inches
Part NumberNPE-240A2
ModelNPE-240A2
WarrantyThe tankless water heater comes with a 1-year labor, 3-year parts, and 5-year heat exchanger limited warranty.