Weil-Mclain 118-555-501 EG-55 200 Input MBtu 82% AFUE Natural Gas Steam Boiler with Tankless Coil Opening (Knockdown – Assembly Required)
In Stock. Ships in 1-7 Business Days.

1 days | 2 days | 3 days | 4 days | 5 days | 6 days | 7+ days | |
---|---|---|---|---|---|---|---|
If picked up on... | Will be delivered by... | ||||||
Monday | Tue | Wed | Thu | Fri | Mon | Tue | Wed |
Tuesday | Wed | Thu | Fri | Mon | Tue | Wed | Thu |
Wednesday | Thu | Fri | Mon | Tue | Wed | Thu | Fri |
Thursday | Fri | Mon | Tue | Wed | Thu | Fri | Mon |
Friday | Mon | Tue | Wed | Thu | Fri | Mon | Tue |
Saturday | Tue | Wed | Thu | Fri | Mon | Tue | Wed |
Sunday | Tue | Wed | Thu | Fri | Mon | Tue | Wed |
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NY / NJ / CT Metro Area |
$220-$300 | EAST COAST By Zip Code & Weight |
$300-$400 | MIDWEST / SOUTH By Zip Code & Weight |
$400-$450 | WEST COAST By Zip Code & Weight |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NY / NJ / CT Metro Area |
$220-$300 | EAST COAST By Zip Code & Weight |
$300-$400 | MIDWEST / SOUTH By Zip Code & Weight |
$400-$450 | WEST COAST By Zip Code & Weight |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NY / NJ / CT Metro Area |
$350-$500 | EAST COAST By Zip Code & Weight |
$450-$750 | MIDWEST / SOUTH By Zip Code & Weight |
$650-$900 | WEST COAST By Zip Code & Weight |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NY / NJ / CT Metro Area |
$450-$550 | EAST COAST By Zip Code & Weight |
$600-$900 | MIDWEST / SOUTH By Zip Code & Weight |
$950-$1300 | WEST COAST By Zip Code & Weight |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NYC Metro Area |
$160 | Rest Of Contiguous US |
For any questions regarding shipping cost please Call us at 973-482-4444 or E-mail [email protected]
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$30 | NY / NJ / CT Metro Area |
$60 | Across the USA |
For any questions regarding shipping cost please Call us at (973) 482-4444 or E-mail [email protected]
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NYC Metro Area |
Not Available | Rest Of Contiguous US | We unfortunately can not ship this material outside of our trucking area. |
For any questions regarding shipping cost please Call us at (973) 482-4444 or E-mail [email protected]
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$30 | Across the USA |
For any questions regarding shipping cost please Call us at 973-482-4444 or E-mail [email protected]
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$60 | Across the USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$70 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$110 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
Free | Pickup |
$75 | NY / NJ / CT Metro Area |
Not Deliverable | Rest of Contiguous USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
Free | NY / NJ / CT Metro Area |
$200 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$40 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
FREE | NY / NJ / CT Metro Area |
$220-$300 | EAST COAST By Zip Code & Weight |
$300-$400 | MIDWEST / SOUTH By Zip Code & Weight |
$400-$450 | WEST COAST By Zip Code & Weight |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
Free | NY / NJ / CT Metro Area |
$50 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$90 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
Free | NY / NJ / CT Metro Area |
$75 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
Free | NY / NJ / CT Metro Area |
$110 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
$5,264.56

$6,017.43

$6,173.06

Product details
Weil-Mclain 118-555-501 EG-55 200 Input MBtu 82% AFUE Natural Gas Steam Boiler with Tankless Coil Opening (Knockdown – Assembly Required)
Knockdown Boiler Components

- Comes with automatic vent damper for higher efficiencies and reduced fuel consumption
- Easy access to controls for convenient servicing
- Configured for Natural Gas, intermittent electronic ignition only
- A versatile gas cast iron boiler for water or steam applications
- Cast iron heat exchanger
- Up to 84% AFUE
HIGH-EFFICIENCY CAST IRON BOILER EG

BOILER
- Factory-assembled section block
- Insulated extended jacket
- Horizontal to vertical draft hood
- Automatic vent damper (additional for EG-75)
- Combination gas valve for 24 volt
- Non-linting pilot burner
- Stainless steel burners
- Electrical junction box
- Spill switch
- Rollout thermal fuse element
STEAM BOILERS ONLY:
- 15 PSI ASME relief valve
- High-limit pressure control
- Low water cutoff-electrode type
- 40 VA transformer
- Steam pressure gauge
- Siphon
- Gauge cocks and glass
- Intermittent electronic ignition system with Weil-McLain UCM universal ignition control module

OPTIONAL EQUIPMENT:
- Packaged steam boilers—factory assembled and tested (P-EG-30 through 65 only)
- Left end section with openings for tankless heaters
- Tankless heaters, heater cover plates, and controls
- Automatic vent damper for EG-75 with electronic ignition
- Outdoor reset kit (for water boilers without tankless only, part #381-356-586) Low cost, simple plug-in sensor-check local utility program for possible rebate.
LIMITED TRANSFERABLE WARRANTY:
- Residential—water: 20 Years Heat Exchanger; 2 Years Parts
- Residential—steam: 10 Years Heat Exchanger; 2 Years Parts
- Commercial: 10 Years Heat Exchanger; 1 Year Parts
Specification Sheet
MPN ? Manufacturer Part Number | 118-555-501 |
---|---|
UPC / GTIN | 672619220324 |
Manufacturer | Weil-McLain |
Series ? A manufacturer's grouping of items that match, coordinate, or complement each other. | EG Series 6 |
Weight ? Weight | 585.00 |
---|---|
BTU Input | 200,000 |
AFUE | 82% |
Height (Inches) ? The vertical measurement from bottom to top, measured in inches. | 33-3/4" |
Length (Inches) ? The distance of the product's longest side, measured in inches. | 27-5/8" |
Width (Inches) ? The horizontal measurement from left to right, measured in inches. | 25-1/2" |
Material ? The material(s) used in the construction of the product. | Cast Iron |
---|---|
Boiler Type | Residential |
Fuel Type | Natural Gas |
Venting | Chimney Vent |
Venting Type | Natural Draft |
-
Weil-McLain 383-200-000 Simplicity 110 Input MBtu 95% AFUE High-Efficiency Combination Wall Mounted Natural Gas Boiler - Direct VentRetail : $3,528.00 - $740.88 =$2,787.12 You Save (21%)
-
Weil-McLain 383-200-001 Simplicity 150 Input MBtu 95% AFUE High-Efficiency Combination Wall Mount Natural Gas Boiler - Direct VentRetail : $3,808.00 - $799.68 =$3,008.32 You Save (21%)
-
Weil-McLain 382200375 Block Temperature Limit Switch Kit for GV BoilersRetail : $44.00 - $4.4 =$39.60 You Save (10%)
-
Weil-McLain 383-200-002 Simplicity 199 Input MBtu 95% AFUE High-Efficiency Combination Wall Mount Natural Gas Boiler - Direct VentRetail : $4,410.00 - $926.1 =$3,483.90 You Save (21%)