WILLIAMSON GWA-166-N-T Nat Gas Cast Iron Boiler Water Heater Taco Pump 007

( Brand: Williamson ), ( Manufacturer Part Number: GWA-166-N-T ), ( Part Type: Water Iron Heater Pump ), ( Power Source: Gas ), ( Ng: Natural Gas ), ( Energy Star: Compliant ), ( Heating System: Boiler ), ( Voltage: 120 V ), ( Water Connection: 1 1/4 In Npt ), ( Btu/h Heating Rating: 166, 000 ), ( Year Manufactured: 2025 ), ( Country Of Origin: United States )

Review WILLIAMSON New Nat Gas Cast Iron Boiler Water Heater And Taco 007 Pump

Introducing the Williamson GWA-166-N-T Cast Iron Nat Gas Water Heater, an excellent solution for providing continuous hot water for your residential or light commercial application. This high-performance water heater is designed with a 55 gallon capacity and is constructed with heavy-duty cast iron for enhanced durability and longevity.

The heater's tank is coated with a high-performance, corrosion-resistant glass lining that ensures efficient heat transfer and long-lasting protection against rust and other forms of corrosion. This tank is also equipped with a factory-installed anode rod, which further enhances the unit's resistance to corrosion.

The Williamson GWA-166-N-T water heater is designed for natural gas operation and comes with a Vitogas DG110NB burner, which offers superior efficiency and performance. This unit features a 0.82 energy factor and a 6.6 gallons per minute recovery rate, providing ample hot water for large households or small businesses.

This water heater also includes a Taco 007 circulation pump, which is designed to circulate the hot water throughout the system, ensuring even temperature distribution and reducing the wait time for hot water at the faucet. This pump is known for its reliable performance and energy efficiency, making it an excellent addition to this water heater system.

Other features of the Williamson GWA-166-N-T water heater include a top-mounted temperature and pressure relief valve, which ensures the safety of the system by releasing excess pressure if necessary. The unit also comes with a draft diverter and a gas pressure regulator to ensure proper combustion and safe operation.

This water heater is designed for easy installation and maintenance, with a front access panel for easy access to the burner and other components. It also comes with a factory-installed expansion tank, which simplifies the installation process and reduces the need for additional components.

In summary, the Williamson GWA-166-N-T Cast Iron Nat Gas Water Heater with Taco 007 Circulation Pump is an excellent choice for those looking for a reliable, efficient, and durable water heater solution. With its large capacity, corrosion-resistant tank, powerful burner, and energy-efficient circulation pump, this unit is sure to provide continuous hot water for your home or business for years to come.

The Williamson GWA-166-N-T Nat Gas Cast Iron Boiler with a Taco 007 Circulation Pump is a popular choice for those seeking a reliable and efficient water heating solution. Here are some pros and cons to help you make an informed decision:

1. Cast Iron Construction: The boiler's cast iron construction offers excellent durability and heat retention, making it a long-lasting investment.

2. Energy Efficiency: The boiler is designed to be energy-efficient, which can help reduce your utility bills over time.

3. Taco Circulation Pump: The inclusion of a Taco 007 circulation pump ensures that hot water is consistently circulated throughout your home, reducing wait times and improving overall comfort.

4. Easy Installation: The boiler comes with clear installation instructions, making it a relatively straightforward process for a professional or experienced DIYer.

5. Versatility: The boiler can be used for both heating and hot water applications, making it a convenient all-in-one solution.

1. Size and Weight: The cast iron construction makes the boiler quite large and heavy, which can be a challenge for those with limited space or mobility.

2. Cost: The cost of a cast iron boiler with a circulation pump can be more expensive upfront compared to other types of water heaters.

3. Maintenance: Cast iron boilers require regular maintenance to ensure they are operating efficiently and safely. This includes periodic cleaning, inspections, and adjustments.

4. Potential for Noise: Cast iron boilers can be noisy during operation, particularly when the circulation pump is running.

The Williamson GWA-166-N-T Nat Gas Cast Iron Boiler with a Taco 007 Circulation Pump offers several advantages, including durability, energy efficiency, and consistent hot water circulation. However, it also comes with some drawbacks, such as size, cost, and maintenance requirements. Ultimately, the decision to purchase this boiler system depends on your specific needs, budget, and installation circumstances. If you prioritize long-term reliability and consistent hot water, this boiler may be a worthwhile investment. Otherwise, you may want to consider alternative water heating solutions.

If you are looking for a reliable and efficient water heating solution with consistent hot water circulation, the Williamson GWA-166-N-T Nat Gas Cast Iron Boiler with a Taco 007 Circulation Pump could be a good fit for your home. However, make sure to weigh the pros and cons carefully and consider the installation requirements and ongoing maintenance needs before making your final decision. It's also a good idea to consult with a professional plumber or heating contractor to ensure that this system is the best option for your specific situation.

Details:

This is new and has NEVER had water in it. All water heaters of any type MUST be installed by a certified plumber. Untitled Document2014 Master Template to copy from. Fully functional, with some small scratches and dings on the outer casing in a couple of places, but NO DENTS tank or anything that affects functionality.

It is an atmospheric vent model, 166,000 btu output. More specs in last few pictures. Inner tank has been checked and is perfect, all valves electronics were re-checked are fully functional as well. Items with preset shipping costs are applicable to deliveries within the continental USA only.

It may or not have all of the original stickers, and some scratches dings but IS BRAND NEW AND FULLY FUNCTIONAL. Manufactured in 2025, this is not an old unit passed off as new. It also includes a Taco 007 re circulation pump, draft hood/damper, hardware kit, and manual. Some specs are in the last few pictures.

part #: gwa166n price

• $2800.00

specifications wateheat:

• brand: Williamson
• mpn: Gwa-166-n-t
• part type: Water Iron Heater Pump
• power source: Gas
• ng: Natural Gas
• energy star: Compliant
• heating system: Boiler
• voltage: 120 V
• water connection: 1 1/4 In Npt
• btu/h heating rating: 166, 000
• year manufactured: 2025
• country of origin: United States

payments wateheat:

• cash
• other
• credit card: Discover
• wallet: Paypal

offer wateheat:

• started: May 18, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0

returns wateheat:

• paid by: Buyer
• policy: Returns Accepted
• method: Money back
• time: 30 Days

shipping wateheat:

• service: Flat Rate Freight
• type: Fixed
• class: Freight
• cost: $0.00

seller wateheat:

• # reviews: 859
• rating: 100.0%
• city: Little Rock, Arkansas

general wateheat:

• condition: Open box
• Heating, Cooling Air > Water Heaters > Standard Water Heaters