Roth 400-Gallon Double-Wall Oil Tank Installation on Long Island
Maximum capacity for larger homes. Fewer deliveries, lower per-gallon costs, and the same 30-year warranty and $2 million insurance as every Roth model.
Request Your Free QuoteAs low as $65/mo
Roth 400-Gallon Oil Tank Price
Transparent pricing with everything included. No hidden fees.
$4,500 – $6,300
Fully Installed on Long Island
The Roth 400-gallon oil tank price includes the tank, old tank removal and disposal, new copper supply and return lines, shut-off valves, oil filter, Tiger Loop air eliminator, oil transfer, full system testing, 30-year manufacturer warranty, and $2 million in environmental insurance coverage. The final price depends on your home's layout, basement accessibility, and whether structural accommodations are needed for the tank's size and weight.
Free in-home estimates. We measure your space and give you an exact price on the spot.
What Affects Your 400-Gallon Tank Price?
- Indoor vs outdoor installation location
- Basement accessibility (stairway width, bulkhead access, tight turns)
- Floor reinforcement or leveling if needed for the 333 lb tank
- Distance from tank to your burner
- Length of new copper supply and return lines needed
- Condition and location of your existing tank
- Code compliance upgrades if required by your municipality
Why Our Price Includes Everything
Some companies quote a low tank price and then add charges for removal, copper lines, valves, and labor. At Domino's, the Roth 400-gallon oil tank price we quote is the price you pay. We include every component and every hour of labor in one number so there are no surprises on installation day.
Roth DWT 1500L Overview
The Roth DWT 1500L is a 400-gallon (1,500-liter) double-wall oil storage tank built for larger homes with higher heating demand. It holds nearly 50% more oil than the popular 275-gallon model, which means fewer delivery stops per season and the ability to fill up when oil prices are at their lowest.
At 64 inches long, 30 inches wide, and 68 inches tall, the 400-gallon is the largest tank in the Roth residential lineup. It requires a minimum of 76 inches (6 feet 4 inches) of ceiling clearance and a clear path for installation. This tank is best suited for basements with standard or higher ceilings and adequate floor space.
The 400-gallon uses the same proven double-wall construction as the smaller models: a seamless blow-molded HDPE inner tank, a 19-gauge galvanized steel outer shell with 110% secondary containment, and a built-in optical leak alarm. Same protection, just more capacity.
Complete installation with Tiger Loop, new piping, old tank removal, warranty, and insurance.
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400-Gallon Roth DWT
Model DWT 1500L
400-Gallon Roth Tank Specifications
| Specification | Details |
|---|---|
| Model | DWT 1500L |
| Part Number | 2335102642 |
| Capacity | 400 gallons (1,500 liters) |
| Length | 64 inches (163 cm) |
| Width | 30 inches (77 cm) |
| Height | 68 inches (173 cm) |
| Minimum Clearance Height | 76 inches (193 cm) |
| Weight (Empty) | 333 lbs (151 kg) |
| Shipping Weight | 358 lbs (162 kg) |
| Inner Tank Material | Seamless blow-molded HDPE (high-density polyethylene) |
| Outer Tank Material | 19-gauge galvanized steel, roll-formed |
| Secondary Containment | 110% of primary tank volume |
| Top Fittings | Four (4) top-mounted 2" FNPT metallic fittings |
| Leak Detection | Built-in optical leak alarm |
| Fill Caps | Lock-down double-ring caps (odor-eliminating) |
| Factory Testing | Both inner and outer tanks pressure tested per UL standards |
| UL Listing | UL SU2258 |
| NFPA Compliance | NFPA 30, 30A, and 31 |
| Indoor/Outdoor | Approved for both |
| Manufacturer Warranty | 30 years (limited) |
| Environmental Insurance | 10 years, $2M cleanup + $2M property damage per occurrence |
Who Is the 400-Gallon Roth Right For?
The largest residential Roth tank for homes that need maximum capacity.
Larger Homes
Homes from 1,700 to 2,500 square feet with higher heating demand. Colonial, split-level, and expanded ranch homes on Long Island that burn through oil faster during cold winters.
Older Construction
Homes built before energy codes were updated often have less insulation, single-pane windows, and drafty construction. These homes consume more oil per square foot and benefit from the larger 400-gallon capacity.
Fewer Deliveries
The 400-gallon holds 45% more oil than a 275-gallon. That means fewer delivery stops per heating season, which saves time and can reduce per-gallon delivery costs. You can also buy a larger volume when oil prices dip.
Multi-Zone Heating
Homes with multiple heating zones, radiant floor heating, or an oil-fired hot water heater in addition to a furnace or boiler consume oil faster and benefit from the larger reserve the 400-gallon provides.
Outdoor Installations
The 400-gallon is a popular choice for outdoor installation when basement access is limited. The galvanized steel outer shell is weather-resistant, and we add a tank hood to protect the fittings from the elements.
Bulk Buying Advantage
Oil prices fluctuate throughout the year. A 400-gallon tank lets you lock in a full delivery at the lowest seasonal price and carry that supply further into the heating season without reordering at a higher rate.
400-Gallon vs Other Roth Tank Sizes
Comparing the 400 to the 110 and 275 to help you choose the right tank.
| Specification | 110-Gallon | 275-Gallon | 400-Gallon |
|---|---|---|---|
| Capacity | 110 gal (400L) | 275 gal (1,000L) | 400 gal (1,500L) |
| Dimensions (L x W x H) | 29" x 28" x 44" | 43" x 28" x 61" | 64" x 30" x 68" |
| Weight (Empty) | 106 lbs | 167 lbs | 333 lbs |
| Ideal Home Size | Under 1,000 sq ft | 1,200 - 1,700 sq ft | Up to 2,500 sq ft |
| Installation Price | $2,690 - $3,290 | $2,990 - $3,690 | $4,500 - $6,300 |
| Warranty | 30 years | 30 years | 30 years |
| Environmental Insurance | $2M / 10 years | $2M / 10 years | $2M / 10 years |
Not sure which size? Call (631) 881-4772 and we will recommend the right tank during your free estimate.
400-Gallon Roth Tank FAQ
What are the dimensions of a Roth 400-gallon oil tank?
The Roth DWT 1500L measures 64 inches long by 30 inches wide by 68 inches tall. You need a minimum of 76 inches (6 feet 4 inches) of vertical clearance to accommodate the top fittings and allow for installation access.
How much does a Roth 400-gallon tank installation cost on Long Island?
A complete 400-gallon Roth installation costs $4,500 to $6,300. This includes the tank, old tank removal, new copper piping, Tiger Loop, oil transfer, system testing, 30-year warranty, and $2 million environmental insurance. The wider price range reflects the larger tank, heavier weight, and additional piping that larger installations sometimes require. Call (631) 881-4772 for a free in-home estimate.
Who should get a 400-gallon Roth tank?
The 400-gallon is ideal for larger homes up to 2,500 square feet, homes with high heating demand, properties where the homeowner wants fewer oil deliveries per season, and households with multi-zone heating systems or oil-fired hot water. It holds nearly 50% more than the 275-gallon.
How much does a Roth 400-gallon tank weigh?
The Roth 400-gallon (DWT 1500L) weighs 333 pounds empty (358 pounds shipping weight). Due to the size and weight, installation typically requires two installers. We will assess access to your basement or installation area during the free estimate.
Will a 400-gallon Roth fit in my basement?
The 400-gallon requires 76 inches of ceiling clearance and a floor area of at least 64 by 30 inches, plus room for piping and maintenance access. You also need a stairway or bulkhead entrance wide enough to move the tank through. During your free estimate, we measure everything and confirm whether the 400 will fit or if the 275 is a better option.
Does the 400-gallon come with the same warranty and insurance?
Yes. Every Roth tank comes with the same 30-year limited manufacturer warranty and 10 years of environmental insurance with up to $2 million in cleanup coverage and $2 million in property damage coverage per occurrence, regardless of size.
What Our Customers Say
"We upgraded from a 275 to the 400. Now we only need two deliveries a year instead of four. The tank fit through our bulkhead with no issues. Domino's made it easy."
-- Richard L."Our 2,400-square-foot colonial goes through oil fast. The 400-gallon Roth was the right call. Filled it up in September at a good price and barely had to reorder all winter."
-- Jennifer B."The crew was great. They got the 400-gallon down our basement stairs, hooked everything up, and tested the system. Done in one day. Very impressed with Domino's."
-- Anthony F.