- ENERGY STAR® certified with a UEF up to 0.95
- 199,000 BTU input
- Maximum flow rate of 10.5 GPM
- Exhaust venting: 2” PVC up to 75' or 3” PVC up to 150'
- Ultra Low NOx – Complies with SCAQMD Rule 1146.2
- Common vent up to 12 units
- Cascade up to 32 units with single cable per heater, cable included
- Flexible venting with PVC, CPVC, Polypropylene, or ABS Pipe (solid core only)
- Universal indoor or outdoor installation – outdoor vent cap kit sold separately
- 8-year limited warranty on the heat exchanger
Xcalibur® Condensing Commercial Gas Tankless water heaters are engineered for high-performance, high-demand applications and long-term durability, featuring a patented heavy-duty helical heat exchanger that outperforms traditional tankless systems. Designed for fast, flexible installation across a wide range of commercial applications. The XCalibur Commercial Tankless water heater can easily be retrofitted or built into new construction with 2” and 3” PVC venting and is compatible with ½” or larger gas lines. The XCalibur Commercial Tankless water heater can be installed indoors or outdoors.
With a maximum flow rate of 10.5 GPM and a UEF of up to 0.95, the XCalibur Commercial Tankless water heater is not only ENERGY STAR® certified but also offers high thermal efficiency and corrosion resistance. XCalibur Commercial Tankless water heater features a digital display for monitoring performance and adjusting temperature. With optional X3® Scale Prevention, the XCalibur Commercial Tankless water heater requires less frequent descaling and maintains like-new performance longer than unprotected models.
