Search query: 30 gallon gas water heater

Product: Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
Brand: Rinnai
Color: Indoor Installation
Relevance: Substitute
Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
Optimal Water Pressure: Up to 11 GPM hot water flow rate for a powerful, constant stream
Instant Heating: Equipped with Circ-Logic - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring.

Product: Stiebel Eltron MegaBoost Tank Booster Water Heater
Brand: Stiebel Eltron
Relevance: Exact
More hot water for more Showers or longer Showers
Saves space by making a small tank perform like a large tank
Fast & accurate hot water temperature adjustment for convenience and comfort
Increases existing tank capacity up to 70%
200% faster recovery time

Product: Stiebel Eltron 239223 Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water, Eco, White, 23
Brand: Stiebel Eltron
Color: White
Relevance: Exact
On demand a continuous and unlimited supply of hot water
Sleek design saves space and no venting required
Requires hard-wired 240 or 208-volt electric service, with a maximum draw of 28,800 watts at 240 volts or 21,600 watts at 208 volts
Requires 3 separate dedicated 40 amp breakers with 8 gauge copper wiring, and a minimum of 200 amp total service to the residence