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Navien NPE-240S2 199,000 BTU Tankless Water Heater
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Bradford White RG260T6N-457 – Supplied & Professionally Installed by 4Most Energy
The Bradford White RG260T6N-457 is a 60-gallon residential atmospheric-vent gas water heater designed for conventional potable hot-water applications. The unit has a 40,000 BTU/hr natural gas input, 43 GPH recovery at a 90°F rise, and an 81-gallon first-hour rating. The manufacturer lists an Energy Factor of 0.62 for this model; a Uniform Energy Factor is not listed in the supplied specification sheet.
The heater uses Bradford White's Defender Safety System, including an advanced ScreenLok flame-arrestor design and resettable thermal switch. The system is designed to resist ignition of flammable vapors outside the combustion chamber and can interrupt burner and pilot operation in specified restricted-airflow or flammable-vapor conditions.
The RG260T6N is an atmospheric-vent appliance. The specification sheet lists a 3-inch or 4-inch vent connection for this model. Proper venting must follow the manufacturer's instructions, applicable fuel-gas codes, and local requirements. Combustion-air availability and vent configuration must be evaluated during installation.
The installation also requires an appropriate natural-gas supply, water connections, temperature-and-pressure relief protection, adequate service clearances, and a suitable location. The manufacturer specifies 3/4-inch NPT water connections and a 1/2-inch gas connection.
Proper sizing is important. A 60-gallon tank should be selected based on household demand and recovery requirements rather than simply the size of the home. 4Most Energy can evaluate the existing installation, gas supply, venting, available space, hot-water demand, and connection requirements before recommending the equipment.
Installation and service must be performed by a qualified installer or service professional.
Why Install the Bradford White with 4Most Energy?
- 60-gallon nominal storage capacity for substantial domestic hot-water storage.
- 40,000 BTU/hr natural gas input with 43 GPH recovery at a 90°F rise.
- 81-gallon first-hour rating according to the supplied Bradford White specification sheet.
- Bradford White ICON System gas control with microprocessor-based temperature control and built-in piezo ignition.
- Advanced temperature control system monitors burner operation to maintain consistent water temperature.
- ScreenLok flame-arrestor technology designed to resist ignition of flammable vapors outside the heater.
- Vitraglas lining with Microban antimicrobial product protection provides tank-lining protection and helps inhibit bacterial, mold, and mildew growth on the lining surface.
- Factory-installed Hydrojet Total Performance System reduces sediment and is designed to improve first-hour hot-water performance.
- Non-CFC foam insulation covers the tank sides and top to reduce heat loss.
- Protective anode rod, factory-installed heat traps, T&P relief valve, and brass drain valve are included features identified by Bradford White.
- Low-NOx emissions: less than 40 ng/J according to the manufacturer literature.
| Specification | RG260T6N-457 Details |
|---|---|
| Manufacturer Model | RG260T6N |
| Product Type | Residential Atmospheric Vent Gas Water Heater |
| Nominal Capacity | 60 US gallons |
| Fuel Type | Natural Gas |
| Input | 40,000 BTU/hr |
| Recovery @ 90°F Rise | 43 GPH |
| First Hour Rating | 81 gallons |
| Energy Factor | 0.62 |
| Uniform Energy Factor | Not listed / N/A in supplied specification |
| Venting | Atmospheric vent |
| Vent Connection | 3" or 4" |
| Gas Connection | 1/2" NPT |
| Water Connections | 3/4" NPT |
| Water Connection Centers | 8" |
| Electrical Requirement | No external electrical power required |
| Overall Height | 57-3/16" |
| Jacket Diameter | 24" |
| Depth | 28-1/2" |
| Floor to Exhaust Connection | 60-3/4" |
| Floor to Gas Connection | 13" |
| Floor to Water Connection | 58-3/4" |
| Floor to T&P Connection | 50-1/2" |
| Approx. Shipping Weight | 192 lb |
| Certification | CSA / ANSI Z21.10.1 |
| Application | Potable water heating and space heating |
Model & Capacity Application
| Model | Capacity | Recommended Application | Occupants |
|---|---|---|---|
| RG260T6N-457 / RG260T6N | 60 gal | Higher domestic hot-water demand | Determined by actual usage |
Is the 60-gallon Bradford White suitable for your home?
The manufacturer does not specify a maximum or recommended house size in square feet for the RG260T6N. Water-heater selection should instead consider the number of occupants, simultaneous hot-water demand, fixture count, bathing habits, recovery requirements, and desired reserve capacity.
Important: 4Most Energy should confirm final sizing before installation rather than using square footage alone.
Capacity Reference
- Nominal tank volume: 60 US gallons
- First-hour rating: 81 gallons
- Recovery at 90°F rise: 43 GPH
- Input: 40,000 BTU/hr
1. Request Installation Quote Provide information about the existing water heater, fuel type, tank size, location, and any known installation requirements.
2. System Sizing Consultation 4Most Energy evaluates hot-water demand, tank capacity, recovery requirements, available space, gas supply, and venting.
3. Equipment Recommendation The appropriate water-heater configuration is confirmed based on the application and site conditions.
4. Installation Scheduling A suitable installation date is arranged and the required equipment and materials are prepared.
5. Removal of Existing Equipment The existing water heater is isolated, drained, disconnected, and removed where included in the installation scope.
6. Installation & System Connection The new heater is positioned and connected to the domestic water system, natural-gas supply, atmospheric venting, T&P relief system, and required accessories.
The RG260T6N uses 3/4" NPT water connections, 1/2" gas connection, and a 3" or 4" atmospheric vent connection.
7. Safety Testing Connections and operating conditions are checked. Gas and water connections, venting, burner operation, temperature control, and safety devices are inspected.
8. Final Commissioning The heater is placed into operation and the installation is reviewed for proper operation.
Manufacturer Warranty
The supplied Bradford White literature identifies the atmospheric-vent product family as being available with 6- or 10-year limited tank warranties and 6- or 10-year limited component-part warranties, with the specific warranty determined by the model configuration. The RG260T6N shown in the supplied specification sheet is the 6-year model.
The manufacturer states that warranty coverage is dependent on proper installation, adjustment, operation, and compliance with the installation instructions.
Warranty Claim Process
- Contact 4Most Energy regarding a suspected equipment issue.
- Provide the model and serial number and installation information.
- The issue is assessed to determine whether service or a replacement component is required.
- If applicable, the warranty claim is processed according to Bradford White's warranty requirements.
- Approved warranty parts are installed as applicable.
Warranty note: The manufacturer documentation should be consulted for the complete terms, exclusions, registration requirements, and claim conditions.
4Most Energy Labour Warranty
Current 4Most Energy labour-warranty terms should be inserted from the company's active installation/service policy before publishing this page. No specific 4Most Energy labour-warranty duration was included in the supplied manufacturer documentation, so a duration has not been invented here.
Optional Maintenance Plan
Maintenance Plans Starting From $12.99/Month
A maintenance plan can help keep the water-heating system operating properly through scheduled professional service.
Potential benefits include:
- Scheduled equipment inspection
- Performance and operating checks
- Identification of developing issues
- Maintenance recommendations
- Service support
- Improved visibility into equipment condition
Plan pricing and included services should be confirmed against the current 4Most Energy maintenance-plan agreement before publication.







