Top 10 Condensing Water Heater – Replacement Under-Sink Water Filters

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1. 3M Aqua-Pure

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Helps Prevent Scale Build Up On Hot Water Heaters and Boilers, 3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS

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3M Aqua-Pure #ad - High flow rates: 3/4 inch npt inlet/outlet connections for easy installation and high flow rates rated for up to 10 GPM; System to be installed on cold water line feeding the water heater. Product specifications: system has a pressure range of 25 to 125 PSI 862 kPa and operating temperature of 40 to 100F 4.

4 to 37. 8c. Corrosion resistance: 304 stainless steel head can be installed on existing copper pipes in the home; It consists of a corrosion resistant material that provides long service life. Helps protect hot water heaters: polyphosphates, included in this product, help to inhibit scale build up in hot water heaters both standard gas or electric and tank less styles and boilers; Helps extend the life of hot water heaters and hot water using appliances, pipes, and downstream plumbing fixtures such as faucets and shower heads.

Easy to replace: easy change out of the 3M Aqua-Pure AP431 Replacement Water Cartridge makes system maintenance easy. Ideal for any size home. Maintains efficiency: By inhibiting scale build up on heat elements, helps maintain water heater efficiency. Nsf standard 42 certified: tested by nsF International to NSF/ANSI Std; 42 for material and structural requirements only.
Brand3M Aqua-Pure #ad
ManufacturerAqua-Pure #ad
Height13 Inches
Length2.8 Inches
Weight1.9 Pounds
Width2.8 Inches
Part NumberAP430SS
Model70020003060

2. Noritz

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Noritz NR83ODLP Outdoor Non-Condensing Residential Water Heater, LP

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Noritz #ad - Flow rate: 05 to 8. 3 gpm. Thermal efficiency: 85%. Durable steel Casing with Polyester Coating. Btuh min/max: 18, 000/180, 000 Overall dimensions: 13. 8" w x 9. 4" d x 23. 6" h.
BrandNoritz #ad
ManufacturerNoritz #ad
Part NumberGQ-2457WS-US-LP
ModelGQ-2457WS-US-LP

3. Noritz

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NG, Noritz NR83ODNG Outdoor Non-Condensing Residential Water Heater

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Noritz #ad - Thermal efficiency: 85%. Overall dimensions: 13. 8" w x 9. 4" d x 23. 6" h. Durable steel Casing with Polyester Coating. Btuh min/max: 18, 000/180, 000 Flow rate: 05 to 8. 3 gpm.
BrandNoritz #ad
ManufacturerNoritz #ad
Part NumberGQ-2457WS-US-NG
ModelGQ-2457WS-US-NG

4. Rheem

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Rheem Home Comfort WiFi Module for Electric Water Heaters, REWRA631EWH

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Rheem #ad - The refurbishing process includes functionality testing, and repackaging. The product ships with all relevant accessories, basic cleaning, inspection, and may arrive in a generic box. This refurbished product is tested and certified to look and work like new.
BrandRheem #ad
ManufacturerRheem #ad
Height8.75 Inches
Length1.75 Inches
Weight0.35 Pounds
Width4.88 Inches
Part NumberREWRA631EWH
ModelREWRA631EWH

5. Mr. Heater

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Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Propane Radiant Heater, Red-Black

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Mr. Heater #ad - Approved for indoor/outdoor use; clean-burning; nearly 100-percent efficient. Auto shut-off if tipped over, if pilot light goes out, or if detects low oxygen levels.

Fold-down handle; swivel-out regulator; connects to propane tank not included; Run Time Hrs at Max BTU: 3 Hours. 4, 000- to 9, 000-btu radiant heater for spaces up to 225 square feet. The use of un-authorized accessories/attachments with this heater are expressly prohibited, may cause serious injury, and will void the warranty. Fuel consumption/burn rate Gal/Hr at 4000 BTU = 0044 gal/hr, at 9000 btU = 0099 gal/Hr. When operating the heater at altitudes over 7, 000 FT above sea level the heater may shut off.
BrandMr. Heater #ad
ManufacturerEnerco #ad
Height15 Inches
Length7.7 Inches
Weight9 Pounds
Width13.4 Inches
Part NumberF232000
ModelF232000
Warranty1-year limited warranty.

6. LIFE SMART

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Lifesmart Corp Lifelux Series Ultimate 8 Element Extra Large Room Infrared Deluxe Wood Cabinet & Remote

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LIFE SMART #ad - Large remote and display: large digital display to easily read from across a room also included is a large remote to control all functions 2 aaa batteries not included. Powerful large room heater: 1500 Watt Infrared quartz element whole room heater for large spaces up to 1000 square feet.

Adjustable temperature settings: Built-in Thermostat allows you to set the desired temperature and the heater will run until the room reaches that temperature. Multiple power settings: includes 3 adjustable heat power settings high, low and eco to provide as much or as little heat as needed; Eco mode balance power consumption to save energy and maintain a 68 degree temperature.

Set it and forget it timer: included on/off timer allows you to program the heater to turn on or off in up to 12-hour increments. Beautiful design & wood cabinet: stylish and well crafted stained Oak wood cabinet stays cool to the touch when in use and adds to the decor of any room.
BrandLIFE SMART #ad
ManufacturerLifesmart Life Pro Series #ad
Height18.5 Inches
Length16.25 Inches
Weight31 Pounds
Width15.25 Inches
Part NumberLS-8WIQH-LB-IN
ModelLS-8WIQH-LB-IN
Warranty3 years.

7. Noritz

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LP, Noritz 75 Gal. Easy Tank Replacement Residential Condensing Water Heater

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Noritz #ad - Max flow: 11. 1 gpm. Btuh min/max: 18, 000/199, 900 Tank capacity: 75 Gallon. Direct Electronic Ignition. Overall dimensions: 18. 5" w x 12. 8" d x 27" H.
BrandNoritz #ad
ManufacturerNoritz #ad
Part NumberEGQ-C3259WX-FF-US-LP
ModelEGQ-C3259WX-FF-US-LP

8. Noritz

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NG, Noritz NCC300DVNG Indoor 13.2 GPM Condensing Water Heater

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Noritz #ad - Temperature Controls and Safety Devices Included. Overall dimensions: 18. 9" w x 14. 2" d x 32. 7" h. Btuh min/max: 15, 000/300, 000 Direct Electronic Ignition. Flow rate: 05 to 13. 2 gpm.
BrandNoritz #ad
ManufacturerNoritz #ad
Part NumberGQ-C5032WZ-FF-US-NG
ModelGQ-C5032WZ-FF-US-NG

9. Noritz

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LP, Noritz NCC300ODLP Outdoor 13.2 GPM Condensing Water Heater

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Noritz #ad - Overall dimensions: 18. 9" w x 14. 2" d x 32. 7" h. Btuh min/max: 15, 000/300, 000 . Flow rate: 05 to 13. 2 gpm. Temperature Controls and Safety Devices Included. Direct Electronic Ignition.
BrandNoritz #ad
ManufacturerNoritz #ad
Part NumberGQ-C5032WZ-US-LP
ModelGQ-C5032WZ-US-LP

10. Noritz

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LP, Noritz NCC300DVLP Indoor 13.2 GPM Condensing Water Heater

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Noritz #ad - Temperature Controls and Safety Devices Included. Overall dimensions: 18. 9" w x 14. 2" d x 32. 7" h. Btuh min/max: 15, 000/300, 000 Direct Electronic Ignition. Flow rate: 05 to 13. 2 gpm.
BrandNoritz #ad
ManufacturerNoritz #ad
Part NumberGQ-C5032WZ-FF-US-LP
ModelGQ-C5032WZ-FF-US-LP