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Bock Water Heaters
OptiTherm® 400 MBH High and Thermal Efficiency Commercial Natural Gas Water Heater
Regular price
$17,779.00 USD
Regular price
Sale price
$17,779.00 USD
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OptiTherm® for Optimal Thermal Efficiency:
- Maximum inputs from 300,000 to 500,000 BTU/hr
- Up to 6:1 ratio
- Fully modulating from as low as 80,000 BTU/hr
- 119/125 gallon capacities
- Up to 99% thermal efficiency
- NEW Front venting
- NEW Minimum gas supply pressure 3.5" WC(NAT) and 8" WC(LP)
- Automatic cathodic corrosion protection system
- No sacrificial anode rods
- PVC/CPVC/ABS venting - 240' maximum power vent length
- LCD user interface with optional BMS interface
- Ecomate® insulation
- Glass-fused-to-steel water tank and heat exchanger
- SCAQMD certified Ultra-Low NOx
- Natural gas or propane fuel
- Stealth Quiet™ operation
- Fits through a 36-inch door
- Concentric vent kit available
Turboflue® High Performance Heat Exchanger:
- Patented helical-fin multi-stage design
- Superior heat conduction and fuel efficiency
Made in the USA
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