Water Boiler With Tankless Coil: Decommissioning, Energy Efficiency, and Technical Specifications

Water boilers with tankless coils are a common heating solution for many homes, providing both space heating and domestic hot water. However, when it comes time to decommission or upgrade these systems, it’s essential to understand the proper procedures and the potential benefits of switching to an indirect water heater. This comprehensive guide will delve into the details of decommissioning a tankless coil, the advantages of an indirect water heater, and the technical specifications of various water boiler models with tankless coils.

Decommissioning a Tankless Coil in an Oil-Fired Boiler

Properly decommissioning a tankless coil in an oil-fired boiler is crucial to ensure the safety and integrity of the system. Here’s a step-by-step guide to the process:

  1. Turn off the power and fuel supply: Begin by ensuring the boiler is completely shut down and the power and fuel supplies are disconnected. This prevents any accidental start-ups during the decommissioning process.

  2. Drain the system: Thoroughly drain the boiler and the tankless coil to eliminate any remaining water in the system. This step is essential to prevent water from flowing through the system during the decommissioning.

  3. Disconnect the coil: Carefully disconnect the tankless coil from the boiler and the plumbing system. This may require the use of specialized tools and the assistance of a professional HVAC technician.

  4. Clean and inspect the coil: Once the coil is removed, clean it thoroughly to remove any debris or buildup. Inspect the coil for any signs of damage or corrosion, which may indicate the need for replacement.

  5. Cap the connections: After the coil is disconnected, cap the connections where it was attached to the boiler and the plumbing system. This step is crucial to prevent any potential leaks or issues in the future.

Benefits of Switching to an Indirect Water Heater

Water Boiler With Tankless Coil

Transitioning from a tankless coil to an indirect water heater can provide several benefits in terms of energy efficiency and overall system performance:

  1. Higher Efficiency: Indirect water heaters are generally more efficient than tankless coils, especially when paired with a high-efficiency boiler. This can lead to significant energy savings and reduced utility bills.

  2. Reduced Energy Consumption: Indirect water heaters utilize the heat from the boiler more efficiently, resulting in lower energy consumption compared to a tankless coil setup.

  3. Longer Equipment Life: Indirect water heaters tend to have a longer lifespan than tankless coils, reducing the need for frequent replacements and maintenance.

  4. Improved Performance: Indirect water heaters can provide a more consistent and reliable supply of hot water, ensuring a comfortable and satisfactory user experience.

Technical Specifications of Water Boilers with Tankless Coils

To help you make an informed decision, let’s explore the technical specifications of some popular water boiler models with tankless coils:

Rand and Reardon RRO 87% AFUE Heating Oil Hot Water Boiler with Tankless Coil

  • Output: 80,000 BTU
  • AFUE: 87%
  • Integrated boiler control with thermal purge feature
  • Chimney vented

Crown Tankless Heaters

  • Capacity: 5-10 GPM
  • Dimensions: 6-1/4″ x 11-3/4″
  • Price: $674.95 – $1,285.95

Burnham-America Tankless Heaters

  • Capacity: 5-10 GPM
  • Dimensions: 6-3/8″ Dia. – 8″ Dia.
  • Price: $634.95 – $1,094.95

It’s important to note that the specific technical specifications and performance characteristics of water boilers with tankless coils may vary depending on the manufacturer, model, and installation requirements. It’s always recommended to consult with a professional HVAC technician to determine the most suitable option for your home and heating needs.

References

  1. Home Depot. (n.d.). Rand and Reardon RRO 87% AFUE Heating Oil Hot Water Boiler with Tankless Coil and 80,000 BTU Output. Retrieved from https://www.homedepot.com/p/Rand-and-Reardon-RRO-87-AFUE-Heating-Oil-Hot-Water-Boiler-with-Tankless-Coil-and-80-000-BTU-Output-RRO-3EC/315090530
  2. Reddit. (2023). Can I get a 15 minute HOT shower using a oil hot water boiler with tankless coil? Retrieved from https://www.reddit.com/r/hvacadvice/comments/15fjw4o/can_i_get_a_15_minute_hot_shower_using_a_oil_hot/
  3. Boilersupplies.com. (n.d.). Crown Tankless Heaters. Retrieved from https://www.boilersupplies.com/tankless-water-heater—steam-boiler-coils/crown-tankless-heaters/685
  4. Energy.gov. (n.d.). Tankless Coil and Indirect Water Heaters. Retrieved from https://www.energy.gov/energysaver/tankless-coil-and-indirect-water-heaters
  5. Heating Help. (2023). Should I stick with tankless coil? Retrieved from https://forum.heatinghelp.com/discussion/190942/should-i-stick-with-tankless-coil