The XTherm combines the proven capability of a finned copper tube heat exchanger with a stainless steel condensing heat exchanger to maximize thermal efficiency and provide long-term reliability.
- 96% thermal efficiency at full rate
- 100% factory fire-tested
- VERSA IC® modulating controller with 7" color touchscreen display
- Raymote™ IoT connectivity standard
- Full electronic modulation, constant ratio up to 11:1 turndown
- Full safety diagnostics with history
- Status display lights
- Cascade up to 8 heaters - no external sequencer required
- Cascade in parallel or sequential modulation modes
- Modbus RTU BMS port
- CSA low-lead certified ≤ .25% lead
- Maximum outlet water temperature: 235°F (112°F)
- Minimum inlet water temperature: 50°F (10°F)
- Limited 25-year thermal shock warranty
- Limited 5-year copper/10-year cupronickel primary heat exchanger warranty
- Limited 10-year stainless steel condensing heat exchanger warranty
- BAAQMD Rule 9-7 certified, Low NOx < 30 ppm
- Primary/secondary plumbing mandatory for proper operation
- Proudly assembled in the USA