Reliance Gas Water Heaters

Reliance offers 9 gas water heaters models in the lineup we track. This page is the Reliance-specific cut of the broader Gas Water Heaters water heaters category — same product class, narrowed to the Reliance catalog only.

About Reliance

Reliance is a brand in the US water-heater market (parent: AO Smith).

For the complete Reliance lineup across all sub-types and capacities, see the Reliance Water Heaters hub.

Reliance Gas Water Heaters models we track

• Reliance 6 50 NORT 50-Gallon Natural Gas Water Heater (6-50-NORT-300) — 50-gallon Reliance gas tank — value retrofit option.
• Reliance 9 50 NORT 50-Gallon Natural Gas Water Heater (9-50-NORT-300) — Reliance 9-year warranty 50-gallon natural gas — volume Reliance long-warranty pick. Same chassis as AO Smith Signature Select at hardware-channel pricing.
• Reliance 12 50 NORT 50-Gallon Natural Gas Water Heater (12-50-NORT-300) — Reliance 12-year warranty 50-gallon natural gas — premium tier. Heaviest anode rod, enhanced insulation, 0.65 UEF. Same chassis as AO Smith Signature Premier at...
• Reliance 6 40 NORT 40-Gallon Natural Gas Water Heater (6-40-NORT-300) — Value-tier 40-gallon gas — Reliance lineup at Lowe's.
• Reliance 6 30 NORT 30-Gallon Natural Gas Water Heater (6-30-NORT-300) — 30-gallon Reliance gas — apartment / single-occupant sizing.
• Reliance 9 40 NORT 40-Gallon Natural Gas Water Heater (9-40-NORT-300) — Reliance 9-year warranty 40-gallon natural gas — extended-warranty variant of standard 6-year tier. Improved insulation, better anode rod, longer tank coverage....
• Reliance 6 50 PVRT Power Vent 50-Gallon Natural Gas Water Heater (6-50-PVRT-300) — Reliance Power Vent 50-gallon — volume power-vent pick for homes without chimneys. PVC sidewall venting eliminates chimney requirement. 6-year warranty.
• Reliance 6 75 NORT 75-Gallon Natural Gas Water Heater (6-75-NORT-300) — Reliance 75-gallon natural gas — high-capacity tank for 5-6 person households. 6-year tank warranty. AO Smith-manufactured, sold through Ace Hardware, True Valu...

Other Gas water heaters brands

If you're cross-shopping gas water heaters beyond Reliance, the following brands also ship in this category:

• Rheem Gas
• AO Smith Gas
• Bradford White Gas
• Rinnai Gas
• Ruud Gas
• Navien Gas
• Noritz Gas
• Bosch Gas

About Gas Water Heaters water heaters

Natural gas water heaters dominate US residential water heating where natural gas service is available — roughly 49% of US homes have gas water heaters. They split into tank (40/50/75/80-gallon storage with gas burner) and tankless (on-demand condensing) sub-types, with venting variations (atmospheric chimney, power-vent PVC, direct-vent sealed combustion) that determine which install scenarios fit.

• Operating cost: natural gas is consistently the cheapest residential water heater fuel by per-BTU pricing in most US markets — typically 50–60% of equivalent electric resistance cost
• Recovery speed: a 40,000 BTU gas burner delivers ~40 GPH at 90°F rise — tw...

  For the complete gas buyer's guide (all brands, full comparison framework), see the Gas Water Heaters category hub.

  Other Reliance filters

  Explore Reliance from other angles:

  • Reliance Tankless
  • Reliance Tank / Storage
  • Reliance Heat Pump / Hybrid
  • Reliance Solar
  • Reliance 6 Gallon
  • Reliance 10 Gallon
  • Reliance 20 Gallon
  • Reliance 30 Gallon
  • Reliance Electric
  • Reliance Propane
  • All Reliance Water Heaters