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Weil-McLain Aqua Pro 55 - 55 Gallon - Residential Indirect Water Heater
Model:
633500201
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Recommended Accessories

Expert Recommended Accessories
Selected by Ken, our Expert
Required Accessories
9
These accessories are required to properly setup/install this product.
Optional Accessories
10
Features
- Composite Tank Construction
- The composite tank of the Aqua Pro 55 is lightweight and easily maneuvered. The non-metallic material stands up to corrosion, making it ideal for environments with even the harshest water conditions.
- No Annual Maintenance
- With the seamless, no-weld design of the Aqua Pro 55, there is no need for an anode rod, eliminating annual maintenance requirements.
- Efficiency Boosting Insulation
- Discouraging heat loss is one of the best ways to improve efficiency. The Aqua Pro 55 has two inches of dense foam insulation that brings heat loss as low as 0.6 degrees per hour.
- Digital Control
- The Aqua Pro 55 features a digital thermostat that ensures precise accuracy for optimal performance
Over the last 130 years, Weil-McLain has built a reputation of designing some of the most reliable boilers in the marketplace. If you want to leverage the power and efficiency of your boiler for domestic hot water, then the Aqua Pro 55 is a great choice. The Aqua Pro is a domestic hot water option that fits many applications and is designed for ease of installation in any system. Ideal for all types of water conditions, but in particular harsh enviroments, the Aqua Pro 55 is designed to install easily into any system.
California residents see
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm..
For more information go to: www.p65Warnings.ca.gov
Specifications
633500201

Overview
Product Category
Water Heater - Indirect-Fired
UPC
672619209732
General Information
Type
Indirect Water Heater
Product Line
Aqua Pro
Product Category
Water Heater - Indirect-Fired
Medium
Medium
Medium refers to the substance that carries heat through the heating system. Systems are either designed to use either Hot Water or Steam as a medium, and components are usually specific to one or the other.
Hot Water
Fuel Type
Fuel Type
To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
Indirect Fired
Storage Type
Tank
Coils Quantity
1
Application
Residential
Connection Type
NPT
Capacity
55 Gallons
Performance
First Hour Delivery
First Hour Delivery
Sometimes called First Hour Rating, this is the number of gallons of hot water the heater can supply per hour when starting with a fully heated tank. The recovery of the water heater depends on your boiler's BTU and boiler output temperature.
217 Gallons
Continuous Recovery Rate
177 Gallons
Dimensions
Cold Water Inlet
3/4 Inch
Hot Water Outlet
3/4 Inch
Supply Connection
3/4 Inch
Return Connection
3/4 Inch
Product Height
41 Inches
Product Width
28 Inches
Product Weight
95 Pounds
Shipping Height
46 Inches
Shipping Width
30 Inches
Shipping Length
30 Inches
Shipping Weight
105 Pounds
Warranty Information
Parts Warranty
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
1 Year
Vessel Warranty
10 Years
Reviews
(6)
Weil-McLain 633500201 Reviews & Ratings

Awesome
By Josh Y
Pennsylvania
Purchased 06/22/2023 |
Review Posted 08/09/2023
Pricier than your average indirect water heaters however, you do get what you pay for in this industry. After reading reviews on the cheaper brands I decided that it wasn't worth the headaches and the reviews on these were very good. I have had my going for a week and what a difference in efficiency. Instructions were also well written and was and ease.
Josh Y Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Easy To Use, I39d Buy It Again

Seems Like A Solid Unit
By Jeffrey G
Ithaca, New York
Purchased 07/09/2020 |
Review Posted 07/31/2020
This unit was a perfect match for a low-height crawlspace installation, and allowed us to replace an existing 40 gallon with a 55. The unit is surprisingly lightweight and easy to handle, presumably due to its “advanced composite tank” but it feels solid and well made.
Installation was straightforward.
My only concerns are the price, which seems pretty high for such a simple device, and I found that the included electronic temperature control is off by about 10 degrees.
eComfort did a great job on quickly shipping the unit. It arrived within 3 business days, which was great because my customer was without hot water as we awaited it.
Installation was straightforward.
My only concerns are the price, which seems pretty high for such a simple device, and I found that the included electronic temperature control is off by about 10 degrees.
eComfort did a great job on quickly shipping the unit. It arrived within 3 business days, which was great because my customer was without hot water as we awaited it.
Jeffrey G Recommends This
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Rating Breakdown
4/5
4/5
3/5
2/5

Great product
By Howard V.
Elmo, Utah
Purchased 04/09/2020 |
Review Posted 05/05/2020
Excellent design, easy to repair or descale in the future. removeable heating coils, with access for cleaning. unlike any water tank i have dealt with.
Howard V. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Quality is still available and affordable!
By Andrew J.
Logan, Utah
Purchased 04/29/2019 |
Review Posted 05/21/2019
This was a replacement for a Bradford White that had built obsolescence It was designed to fail. JUNK! This new Weil-McLain is impressive by comparison. The warranty is far above other manufacturers. I was very impressed with the construction and more impressed with the function. A few dollars more than some other brands, but well worth it. I wish I had bought this item the first go round. If so I most likely wouldn't be writing this review. I wouldn't have been in need of another water heater.. Quality in America still exists.. Bravo!
Andrew J. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Excellecent quality water heater
By Chris B
Abington, Massachusetts
Purchased 12/01/2018 |
Review Posted 01/15/2019
Not only was this unit more cost effective than the last unit I had its performance is far superior. No complaints of cold showers and recovers very quickly. Definitely will save on oil costs as well.
Chris B Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Great Product and Great Company
By Kurt
Raynham, Massachusetts
Purchased 11/17/2018 |
Review Posted 12/10/2018
Received on time and friendly delivery. Had it installed over the weekend. About 1/10 of the weight of our other model. The digital temp sensor is great and easy to control.
Love the new tank and thank you eComfort. One negative was the directions for sensor are only for other Weil-McLain setups which i didn't have, but pretty easy to figure out even for a non plumber/electrical technician.
Love the new tank and thank you eComfort. One negative was the directions for sensor are only for other Weil-McLain setups which i didn't have, but pretty easy to figure out even for a non plumber/electrical technician.
Kurt Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5
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Manuals
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Weil-McLain Aqua Pro 55 - 55 Gallon - Residential Indirect Water Heater


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