Bradford White Infiniti GR Condensing Tankless Gas Water Heater

The Bradford White Infiniti GR Condensing Tankless Gas Water Heater (IGE-199C3PN) is Bradford White's premium condensing tankless — direct competitor to Rinnai RU199iN, Navien NPE-240A2, and Rheem RTGH-95DVLN. 11.1 GPM, 199,000 BTU, 0.96 UEF, 15-year heat exchanger warranty.

Headline specifications

• Type: indoor condensing tankless, natural gas (LP-convertible)
• Maximum flow rate: 11.1 GPM at 35°F rise
• BTU input: 15,000–199,000 BTU/h (modulating)
• Energy Factor (UEF): 0.96
• Min activation flow: 0.4 GPM
• Temperature range: 100°F – 140°F
• Venting: PVC/CPVC/PP up to 100 ft
• Warranty: 15-year heat exchanger, 5-year parts
• Dimensions: 27" H × 18" W × 11" D

Who this model is for

4–5 person households shopping plumber-channel tankless, peak demand of 2–3 simultaneous demand points, existing natural gas service with 3/4" line and PVC venting capability, long ownership horizon (8+ years). Buyers using a Bradford White-network plumber who wants Bradford White's tankless option rather than a Rinnai/Navien swap.

For households running tub fills with simultaneous showers or 4+ bathrooms, even 11.1 GPM tops out — consider dual-unit cascading. For 3-person households, 9 GPM RU160iN equivalent saves $200.

Where it beats the alternatives

Vs Rinnai RU199iN ($1,645): spec-equivalent. Rinnai ships built-in Control-R 2.0 WiFi. Bradford White ships no WiFi. Rinnai has the larger installer network and stronger brand recognition in tankless. Bradford White wins only if your installer is Bradford White-network.

Vs Navien NPE-240A2 ($1,499): Navien 11.2 GPM, included ComfortFlow buffer eliminates cold-water sandwich. Bradford White pure-tankless. Navien wins on cold-water sandwich; Bradford White wins on plumber-channel installer support.

Vs Rheem RTGH-95DVLN ($1,499): Rheem 9.5 GPM, 12-year warranty, EcoNet WiFi standard. Bradford White 11.1 GPM, 15-year warranty, no WiFi. Bradford White wins on flow and warranty; Rheem wins on smart features.

Where it falls short

No built-in WiFi. In a 2026 market where competitors ship app integration standard, Bradford White's purist hardware-only approach feels dated.

Cold-water sandwich without buffer tank. Recirculation loop ($300–$500) or buffer tank ($400–$700) recommended to compensate. Navien's ComfortFlow includes this natively.

Lower brand awareness in tankless. Rinnai and Navien dominate residential tankless mindshare; Bradford White tankless is a smaller channel.

3/4" gas line required. PVC/CPVC venting required. Annual descaling required to maintain warranty.

Install considerations

Verify 3/4" gas line capacity to 199,000 BTU at typical run length. PVC/CPVC schedule 40 vent up to 100 ft, concentric or two-pipe. 120V outlet near install. Service valves needed for descaling. Permit typical.

Install cost: $1,200–$2,200 like-for-like tankless swap; $2,900–$5,000 tank-to-tankless conversion with gas/venting upgrades.

Maintenance

• Annual descaling — 60–90 min with descaling pump kit
• Inlet filter clean annually
• Burner inspection every 3 years by tankless-certified technician

Bottom line

The Bradford White Infiniti GR is the plumber-channel premium tankless. 11.1 GPM, 0.96 UEF, 15-year heat exchanger warranty. Matches the spec leaders on flow and efficiency; trails on WiFi (no built-in) and brand awareness. Right pick if your installer is Bradford White-network. For installer-neutral buyers, Rinnai RU199iN is the safer default. For buyers prioritizing smart-home integration, Rheem RTGH-95DVLN's EcoNet wins.