OLSSV Stainless Steel Wall Hung Modulating Condensing Boiler

Wall Mounted: Bracket included. Boiler Control Module: Automatic Low Voltage/Intermittent Direct Spark Ignition/Modulating with a 5:1 combustion turn down ratio. For multiple boiler applications - the control module can stage up to 16 boilers. User Display interface: Easy programming with text display. Outdoor Temperature Sensor included. Heat Exchanger: High grade 316L/444 Stainless Steel Fin Coil with Flame Sight Glass. Combustion: Gas Valve with Premix Venturi and Blower, Durable Stainless Steel Mesh Modulating Burner with 5:1 turn down ratio, Direct Spark Igniter, Flame Sensor and LP Conversion Kit included Electrical: Low Voltage Terminal Strip, High Voltage Junction Box and Transformer. Other: 30 PSI Safety Relief Valve, Boiler Drain Valve and Condensate Drain with built in trap.