Bradford White RG275H6N 75 Gallon High Input Hot Water Heater, Natural Gas
Residential Atmospheric Vent High Input Energy Saver Gas Water Heater 6 or 10-Year Limited Tank Warranties / 6-Year Limited Warranty on Component Parts. For more information on warranty, please visit www.bradfordwhite.com For products installed in USA, Canada and Puerto Rico. Some states do not allow limitations on warranties. See complete copy of the warranty included with the heater.
Bradford White ICON System™
—Intelligent gas control with proven millivolt powered technology and built-in piezo igniter. A standard, off the shelf thermopile converts heat energy from the pilot flame into electrical energy to operate the gas valve and microprocessor. No need for external electricity.
-- Enhanced Performance—Proprietary algorithms provide enhanced First Hour Delivery ratings and tighter temperature differentials.
-- Advanced Temperature Control System—Microprocessor constantly monitors and controls burner operation to maintain consistent and accurate water temperature levels.
-- Intelligent Diagnostics—An exclusive green LED light prompts the installer during start-up and provides ten different diagnostic codes to assist in troubleshooting.
-- Pilot On Indication—Flashing green LED provides positive indication that pilot is on.
-- Separate Immersed Thermowell
—High-strength advanced polymer composite thermowell provides isolation between electric temperature sensor and surrounding water. No need to drain the tank when removing gas valve.
All Atmospheric Vent High Input Models Feature:
■ Factory-Installed Hydrojet 2 ™ Total Performance System—Cold water inlet sediment reducing device helps prevent sediment build-up in tank and increases first hour delivery of hot water.
■ Vitraglas® Lining—Bradford White tanks are lined with an exclusively engineered enamel formula that provides superior tank protection from the highly corrosive effects of hot water. This formula (Vitraglas®) is fused to the steel surface by firing at a temperature of over 1600°F (871°C).
■ Side Connections—3/4" (19mm) NPT tappings that allow easy connections for space heating applications (potable water only).
■ Non-CFC Foam Insulation—Covers the sides and top of tank, reducing the amount of heat loss. This results in less energy consumption, improved operation efficiencies, and jacket rigidity.
■ Pedestal Base (RG250H6N & RG275H6N). ■ Water Connections—Factory-installed true dielectric fittings extend water heater life and ease installation.
Hand Hole Cleanout—Allows inspection of tank interior and facilitates the removal of sediment deposits (RG2100H6N models only).
Protective Magnesium Anode Rod.
■ 4" (107mm) “Snap Lock” Draft Diverter.
■ T&P Relief Valve—Installed.
■ Low Restriction Brass Drain Valve—Durable tamper-proof design.
■ Thermostatic Mixing Valve (ASSE Approved)—Included with RG155H6N only.
Product Highlights
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Natural Gas
Atmospheric
6 Year Limited Tank/ 6 Year Limited on Component Parts Warranty
75 Gallons
62.625" Height
No
Description
–
Features:
- Bradford White ICON System - Intelligent gas control with proven millivolt powered technology and built-in piezo igniter. A standard, off the shelf thermopile converts heat energy from the pilot flame into electrical energy tooperate the gas valve and microprocessor. No need for external electricity.
- Enhanced Performance - Proprietary algorithms provide enhanced First Hour Delivery ratings and tighter temperature differentials.
- Advanced Temperature Control System - Microprocessor constantly monitors and controls burner operation to maintain consistent and accurate water temperature levels.
- Intelligent Diagnostics - An exclusive green LED light prompts the installer during start-up and provides ten different diagnostic codes to assist in troubleshooting.
- Pilot On Indication - Flashing green LED provides positive indication that pilot is on.
- Separate Immersed Thermowell - High strength advanced polymer composite thermowell provides isolation between electric temperature sensor and surrounding water. No need to drain the tank when removing gas valve.
- Factory Installed Hydrojet 2 Total Performance System - Cold water inlet sediment reducing device helps prevent sediment build up in tank and increases first hour delivery of hot water.
- Vitraglas® Lining - Bradford White tanks are lined with a exclusively engineered enamel formula that provides superior protection from the highly corrosive effects of hot water. This formula (Vitraglas®) is fused to the steel surface by firing at a temperature of over 1600ºF.
- Side Connections - 3/4" NPT tappings that allow easy connections for space heating applications (potable water only).
- Non-CFC Foam Insulation - Covers the sides and top of tank, reducing the amount of heat loss. This results in less energy consumption, improved operation efficiencies and jacket rigidity (M-I-75 has 1-1/4" and M-I-100T has 2").
- Pedestal Base.
- Water Connections - Factory installed true dielectric fittings extend water heater life and eases installation.
- Hand Hole Cleanout - Allows inspection of tank interior and facilitates the removal of sediment deposits (M-I-100T models only).
- Protective Magnesium Anode Rod.
- 4" "Snap Lock" Draft Diverter.
- T&P Relief Valve - Included.
- Brass Drain Valve - Tamper proof design.
Specs
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| Intended Household: |
5+ Person |
|---|---|
| Fuel Type: |
Natural Gas |
| Application: |
Plumbing |
| Capacity (Gallons): |
75 |
| BTU Input: |
76000 |
| Vent Size: |
4" |
| Vent Type: |
Atmospheric |
| Gas Connection: |
1/2" |
| Water Connection: |
1" |
| Recovery Efficiency: |
80% |
| Height (Inches): |
62.625" |
| Diameter (Inches): |
26" |
| Depth (Inches): |
27-1/4" |
| Weight (lbs): |
263 lbs |
| Warranty: |
6 Year Limited Tank/ 6 Year Limited on Component Parts |
| Energy Star Rated: |
No |
General Features
- Rated Nominal Volume (Gallons): 75
- DOE Rated Storage Volume (Gallons): 72
- Fuel Type: Natural Gas (NG)
- Energy Star: No
- Connectivity: Not WiFi Compatible
Weights and Dimensions
- Overall Height (in.): 62.625
- Height (Floor To Top of Heater - in.): 59.625
- Overall Depth (in.): 29.25
- Jacket Diameter (in.): 26
- Weight (lbs.): 240
Performance
- BTU Input: 76000
- First Hour Delivery Rating (Gal.): 135
- Uniform Energy Factor (UEF): 0.59
- Recovery at 90°F Rise (GPH): 82
- Recovery Efficiency: up to 80%
Venting and Connection Requirements
- Venting: Atmospheric
- Vent Size (in.): 4"
- Water Connection Size (in.): 1" NPT
- Gas Connection Size (in.): 1/2"
Understanding This High-Capacity Model
Why 75 Gallons Is a Different Category of Water Heater
At 76,000 BTU input and a 135-gallon First Hour Delivery rating, this model isn't simply a bigger version of the 40 or 50-gallon tanks — it's designed for genuinely high-demand households (5+ persons) or homes with multiple bathrooms running simultaneous hot water draws. The substantially larger tank diameter (26") and weight (240-263 lbs) reflect both the increased storage capacity and the more robust construction needed to support it.
Side Connections: A Feature Worth Understanding
Unlike the smaller residential models, this 75-gallon unit includes 3/4" NPT side connections specifically intended for space heating applications using potable water — meaning this tank can, in certain configurations, help supply both domestic hot water and supplemental space heating needs. This is a more advanced application that requires careful system design; our technicians can advise whether this feature is relevant to your specific setup or should simply remain unused.
Hydrojet 2: An Upgraded Version of the Sediment Reduction System
Note this model uses "Hydrojet 2" rather than the standard Hydrojet system found on the smaller tanks — reflecting a refined version of the sediment-reducing technology scaled for the larger tank volume, where sediment management becomes more important given the greater surface area and storage capacity involved.
4" Draft Diverter: No Flexibility Option
Unlike the 40-gallon models' flexible 3"/4" diverter, this 75-gallon unit's higher BTU input requires the dedicated 4" "Snap Lock" draft diverter exclusively — there's no smaller venting option available at this capacity, which is an important consideration if you're upgrading from a smaller tank with existing 3" venting.
1" Water Connection: Bigger Than Standard
This model uses a 1" NPT water connection, larger than the 3/4" connections on smaller Bradford White tanks — reflecting the higher flow rates this unit is designed to support. Confirming your home's existing water line sizing is compatible (or can be adapted) is an important pre-installation step.
Understanding the Lower UEF at This Capacity
The listed Uniform Energy Factor of 0.59 is lower than the smaller tanks' Energy Factor ratings (0.60-0.63) — this is a common and expected pattern across water heater capacities, since larger tanks have proportionally more surface area for standby heat loss relative to their recovery capabilities. This doesn't mean the unit is "less efficient" in a meaningful sense; it simply reflects the physics of storing and maintaining a larger volume of hot water.
Is 75 Gallons Right for Your Household?
Consider this capacity if you have:
- A household of 5 or more people
- Multiple bathrooms with simultaneous usage patterns (several showers running back-to-back or at once)
- A larger home with high overall hot water demand (large soaking tubs, multiple laundry loads, etc.)
- Previously experienced running out of hot water with a 50-gallon tank
If your household is smaller or you're uncertain about right-sizing, our technicians can help calculate actual demand rather than defaulting to the largest available option, since oversizing means paying for standby heat loss on capacity you don't regularly use.
Professional Installation Matters
Given this unit's larger footprint, 1" water connection, dedicated 4" venting, and substantially heavier weight (240+ lbs), professional installation is essential for both safety and proper function. Our licensed plumbers will:
- Confirm your installation space accommodates the 26" diameter and 62.625" height
- Verify water line sizing is compatible with the 1" connection
- Install proper 4" venting per code
- Complete the installation with appropriate structural support given the tank's weight
- Test the ICON System and confirm proper burner and pilot operation
Frequently Asked Questions
Do I need a bigger gas line for this unit?
The gas connection is 1/2", similar to smaller models, but overall gas supply capacity should be verified against your home's total gas demand across all appliances; our technicians will confirm this during installation.
Is a 75-gallon tank overkill for a family of 4?
It can be, depending on usage patterns — a well-sized 50-gallon tank is often sufficient for 3-4 person households; our technicians can help you avoid oversizing based on your household's actual hot water habits.
Can this tank be used for both domestic hot water and space heating?
The side connections support this type of integration in certain system designs, but it requires careful planning and is not a standard "plug and play" feature; consult with our technicians if you're considering this application.
Commercial-Grade Heavy-Duty Power: Massive Hot Water Recovery for Large Homes & Multi-Bath Properties
When standard 40 or 50-gallon water heaters simply cannot keep up with the extreme hot water demands of large luxury custom homes, multi-generational households, or properties with multiple master suites and body spray showers, the Bradford White 75 Gallon Standard Gas Water Heater provides the ultimate heavy-duty solution. Engineered for high-demand residential and light commercial applications, this robust atmospheric vent unit delivers an impressive high-capacity storage volume coupled with a powerful burner input to ensure endless hot water during peak usage hours. Built in the USA with Bradford White's exclusive Vitraglas® enamel tank lining, an advanced Hydrojet® Total Performance System to eliminate sediment buildup, and the Defender Safety System®, it offers elite resistance to thermal stress and corrosion. Call our certified plumbing specialists at (224) 754-1984 for expert high-capacity tank installation, emergency replacement, or professional maintenance:
Massive 75-Gallon Storage Capacity: Designed specifically for large homes with heavy simultaneous water usage across multiple bathrooms, kitchens, and laundry facilities.
High-Recovery Burner Performance: Powerful gas burner input ensures rapid water reheating so you never run out of hot water during peak morning or evening hours.
Exclusive Vitraglas® Tank Lining: High-purity porcelain enamel coating fused directly to heavy-gauge steel for superior protection against aggressive water corrosion.
Hydrojet® Sediment Reduction System: Cold water inlet pipe generates turbulent jet action to prevent mineral scale accumulation, preserving heating efficiency.
Defender Safety System® Technology: Advanced safety design featuring a maintenance-free flame arrestor to prevent accidental vapor ignition outside the combustion chamber.
Bradford White 75 Gallon Standard Gas Water Heater Technical Specifications
Engineered for professional installation in large residential utility rooms, basements, or mechanical closets:
Technical Parameter Feature & Specification Details Operational Advantage Manufacturer & Model Bradford White Commercial-Grade Atmospheric Vent Premier heavy-duty high-capacity residential/light commercial water heater. Storage Capacity 75 Gallons Massive hot water reserve for high-demand large properties. Heating Input Rate 75,000 to 85,000+ BTU/h (Natural Gas / Propane) Rapidly reheats large volumes of water during heavy simultaneous use. First Hour Delivery (FHD) Up to 130+ Gallons Exceptional peak-hour output for luxury homes and multi-bath layouts. Safety System Defender Safety System® (FVIR compliant) Maintenance-free safety design protecting against flammable vapor ignition. Venting Configuration Standard Atmospheric Venting (4" or 5" B-Vent chimney) Designed for secure connection to standard metal chimney flue systems.
Key Benefits of Upgrading to a Bradford White 75 Gallon Gas Water Heater
Integrating a heavy-duty 75-gallon Bradford White water heater into your home infrastructure delivers immediate practical comfort rewards:
Eliminates Hot Water Shortages: Effortlessly supports luxury spa showers, jetted tubs, commercial-grade laundry washers, and multiple bathrooms running simultaneously.
Trade-Quality Heavy-Duty Build: Utilizes commercial-grade steel construction, heavy-duty anode rods, and robust brass drain valves for extended operational reliability.
Optimized Thermal Efficiency: Advanced internal baffling and the Hydrojet® system ensure heat is transferred effectively into the water rather than escaping up the chimney.
Proven Long-Term Durability: Engineered to withstand heavy daily wear and harsh water chemistry, delivering dependable service for years when professionally installed.
Our Step-by-Step Bradford White 75 Gallon Installation Process
Load Calculation & Site Assessment: Evaluating your home's peak hot water demand, gas supply line sizing, chimney draft capacity, and floor weight bearing for the large tank.
Old Tank Draining & Safe Removal: Safely shutting off gas lines, draining the heavy legacy tank, disconnecting heavy plumbing, and hauling away the old unit.
Positioning & Thermal Expansion Setup: Placing the heavy 75-gallon tank on a reinforced level surface with a heavy-duty drain pan and an appropriately sized thermal expansion tank.
Gas, Water & Flue Vent Hookup: Connecting copper water supply lines, code-compliant gas piping with sediment traps, and properly sized metal chimney exhaust venting.
Commissioning & Safety Testing: Filling the tank, lighting the burner, checking for gas leaks, verifying proper carbon monoxide draft, and setting correct water temperature.
Frequently Asked Questions: Bradford White 75 Gallon Gas Water Heater
Q: How do I know if my home requires a 75-gallon water heater instead of a 50-gallon model?
A: A 75-gallon water heater is typically required for homes with 4 or more bathrooms, large families with teenagers, homes featuring high-flow luxury shower systems or large Roman tubs, or light commercial properties.
Q: Do I need a larger gas line or chimney vent to install a 75-gallon water heater?
A: Because 75-gallon models feature a much larger burner input (typically 75,000+ BTU) compared to standard 40 or 50-gallon units, our licensed plumbers verify that your gas supply line diameter and chimney flue size meet code requirements during the initial assessment.
Q: What is the lifespan of a Bradford White 75-gallon heavy-duty water heater?
A: With professional installation, proper chimney drafting, and routine annual maintenance (such as flushing mineral sediment and inspecting anode rods), these commercial-grade units are built for exceptional longevity.
Q: What should I do if my large water heater begins leaking from the tank body?
A: A leak directly from the steel tank casing signifies internal structural failure. Shut off the cold water supply valve, turn off the gas control, and call our 24/7 emergency plumbing team immediately for safe tank replacement.
Bradford White Corporation, headquartered in Ambler, Pennsylvania, is an American-owned and employee owned, full-line manufacturer of residential and commercial and industrial products for water heating, space heating, combination heating and storage applications. The corporation's manufacturing facilities are in Middleville, Michigan and Niles, MI, and Rochester, NH. The water heaters were patented by Gerald E White from the years 1933–1938. The company is among the largest American manufacturers of water heaters, competing with companies such as Rheem and A. O. Smith. Bradford White Corporation is made up of Bradford White Water Heaters, Bradford White – Canada, Laars Heating Systems, and Niles Steel Tank
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