Bock optiTHERM® Modulating Condensing Gas Water Heaters - 600,000 - 900,000 BTU/hr Series

High BTU Instantaneous Modulating Condensing Commercial Water Heaters

Five-Year Limited Tank/Heat Exchanger Warranty

– THE INDUSTRY'S FINEST

OptiTHERM® for Optimal Thermal Efficiency:

• 600/700/800/900,000 BTU Inputs
• 130 gallon tank
• Extremely efficient
• 99% at Low Fire
• 96% at High Fire
• New Touch Screen Controls for ease of operation
• Fits through a 36-inch door
• Front intake/exhaust for zero rear clearance
• BACnet/BMS/BOCK Net Remote Access
• Manual reset high limit (field testable)/High-Low Gas Pressure Switches/Optional Low Water Cutoff
• Automatic cathodic corrosion protection system
• No sacrificial anode rods
• PVC/CPVC/ABS venting - 240' maximum power vent length
• Glass-fused-to-steel water tank and heat exchanger
• SCAQMD certified Ultra-Low NOx
• Natural gas or propane fuel
• Stealth Quiet™ operation
• Built-in pallet jack openings and lifting lugs

Turboflue® High Performance Heat Exchanger:

• Patented helical-fin multi-stage design
• Superior heat conduction and fuel efficiency