DHW – Indirect-fired Water Heater
- Tank-within-a-tank heat exchanger
- Self cleaning
- Polyurethane insulation
- Low pressure drop
- 100% leak tested
- Easy installation
- Limited lifetime warranty
![](https://www.williamson-thermoflo.com/williamson/wp-content/uploads/sites/2/2024/08/671x386_w-dhw.jpg)
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