40 Gal Gas Water Heater Top 10 Reviewed & Rated

40 Gal Gas Water Heater

Bestseller No. 1
Reliance Hot Water Heater Gas Control Valve 100112336 1" Cavity Thermostat Compatible with Reliance, State, A.O. Smith, and American branded heaters
  • PLEASE PROVIDE MODEL AND SERIAL NUMBER OF YOUR WATER HEATER IF YOU NEED US TO DETERMINE CORRECT GAS VALVE PART NUMBER!
  • Honeywell gas control valve is compatible with all A.O. Smith manufactured products including A.O. Smith, Reliance, State, and American branded heaters
  • Temperature control assembly 100112336 supplies the burner with gas to heat the water
  • Temperature ratings: ambient-- 0 c to 60 c; tco limit-- 87 c
  • A service technician is recommended for the repair to ensure the gas supply line is leak free
Bestseller No. 2
Bradford White 40 Gallon Natural Gas Water Heater #RG240T6N
  • Bradford White ICON System
  • Advanced ScreenLok Technology Flame Arrestor Design
  • Resettable Thermal Switch
  • Maintenance-Fre
  • Factory-Installed Hydrojet Total Performance System
Bestseller No. 3
A.O. Smith GCR-40 ProMax Plus High Efficiency Gas Water Heater, 40 gal
  • Blue Diamond glass coating provides superior corrosion resistance to industry-standard glass lining
  • Self-powered electronic gas valve uses thermopile to generate power needed to operate the electronic gas control without requiring external power
  • Internal microprocessor provides enhanced operating parameters and tighter differentials for precise sensing and faster heating response
  • Dynaclean diffuser dip tube helps reduce lime and sediment buildup, maximizes hot water output; made from long-lasting PEX cross-linked polymer
  • Meets all current regulations set forth by the National Appliance Energy Conservation Act (NAECA)
Bestseller No. 4
Excel Pro Tankless Gas Water Heater NATURAL GAS 6.6 GPM Whole House and for Hydronic heating Compare to Rinnai, Rheem,Noritz, Bosch FREE FLUE KIT
  • Modulates heat output in response to the flow rate of water running through the unit.
  • Power vented directly vertically (rooftop) or sideways (wall) via Stainless Steel CAT III Flue 3.5" Diameter Included (20")
  • NATURAL GAS - European Model - Digital Display is in Celsius
  • Delivers 6.6 gpm of hot water with a 35°F Instant Temperature Rise (Equivalent to 5.5gpm with a 45F temp Rise)
  • Certified for Installation in Manufactured (Mobile) Homes Pure Copper Heat Exchanger
Bestseller No. 5
CAMPLUX ENJOY OUTDOOR LIFE CM264-NG Natural Gas Residential Water Heater
  • [Ease to Use] For whole home on demand indoor use with safe, efficient power ventilation , perfect for any small homes, cabins or apartments.
  • [Modern Design] Exclusive color digital temperature display for easy to read.
  • [Saving More Energy] Eco and Full gas switch for energy saving and get ideal hot water temperature.
  • [More Safety] Flame-out protection, anti-freezing protection, over-heating protection, air flow pressure switch protection to ensure the safety.
  • [Controls Water Temperature Easily ] Uses standard 1/2" NPT water fittings and is equipped with easy to use manual water temperature controls.
Bestseller No. 6
A.O. Smith ENT-40 ProMax Tall Electric Water Heater, 40 gal
  • Permaglas glass coating protects steel tank from corrosion and maximizes tank life
  • Dynaclean diffuser dip tube helps reduce lime and sediment buildup while maximizing hot water output; made from long-lasting PEX cross-linked polymer
  • CoreGard anode rode aluminum anode with stainless steel core protects tank against corrosion longer than ordinary steel anodes
  • Durable, tamper-resistant brass drain valve
  • Meets all current regulations set forth by the National Appliance Energy Conservation Act (NAECA)
Bestseller No. 7
Rheem PROG40-38U RH62 EC1 Professional Classic Ultra Low NOx 40 Gallon Natural Gas Water Heater
  • Ultra Low NOx Gas Water Heaters are SCAQMD Rule 1121 Compliant
  • Temperature and Pressure Relief Valve Included
  • Maintenance Free – No Filter to Clean
  • High Altitude Compliant – Certified Up to 10,000 ft Above Sea Level
  • 6-Year Limited Tank and Parts Warranty
Bestseller No. 8
A.O. Smith ENS-40 ProMax Short Electric Water Heater, 40 gal
  • Permaglas glass coating protects steel tank from corrosion and maximizes tank life
  • Dynaclean diffuser dip tube helps reduce lime and sediment buildup while maximizing hot water output; made from long-lasting PEX cross-linked polymer
  • CoreGard anode rode aluminum anode with stainless steel core protects tank against corrosion longer than ordinary steel anodes
  • Durable, tamper-resistant brass drain valve
  • Meets all current regulations set forth by the National Appliance Energy Conservation Act (NAECA)
Bestseller No. 9
Noritz EZTR40NG 40 gal Tank Replacement Indoor Tankless Water Heater 6.6 GPM (Standard Vent) - Natural Gas
  • Endless hot water
  • Direct replacement for existing 40 gal tank water heater
  • High Efficiency
  • Low Nox
Bestseller No. 10
Rheem PROG50-42N RH67 PV Professional Classic Residential 42K BTU Power Vent Natural Gas Water Heater, 50-Gallon
  • Uses indoor air for combustion; blower exhausts the flue gases
  • Exclusive air/fuel shut-off device. Maintenance free - no filter to clean
  • Long venting lengths up to 100 equivalent feet
  • Rheum exclusive R-Tech (registered) anode rod provides long-lasting tank protection

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Last update on 2021-03-04 / Affiliate links / Images from Amazon Product Advertising API

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