95% gas boiler with or without integrated indirect DHW heater.
- Stainless steel down-fired heat exchanger ensures a long product life and an enduring source of home comfort. The fire tube heat exchanger optimizes heat transfer, which maximizes efficiencies.
- Built-in primary loop, circulator and high-energy spark ignition as standard features.
- Integrated pressure sensor and an optional indirect water heater return connection.
- Fully Modulating burner with 6.5:1 turn-down ratio
- Plus version includes a built-in 16-gallon indirect water heater, and that provides both full-capacity space heating and domestic hot water.
- Advanced integrated control Low water pressure cut-off and easily-programmable display