Available with pilotless, battery powered electronic ignition (E.F. .80) or Piezo - ignition pilot (E.F. .69). 

Automatic flame failure gas cutoff and safety interlocked controls. 

Long life, high quality copper heat exchanger. 

Available in LP or natural gas.

Automatic overheat protection provided by high temperature limiter and pressure relief valve. 

82% efficient, low maintenance stainless steel burners. 

All parts in contact with water are stainless steel, copper or brass. Hot water is potable. 

Easy wall mounting and hook ups. 

Units may be connected in parallel in order to double the capacity of a single unit. 

Simple - safe - compact - lightweight - fuel efficient. 

No electricity required for operation of 'D' Cell powered unit - still have hot water with power outage. 

Efficient modulating burner automatically adjusts to water flow. 

Temperature selection knob allows wide range of flows and temperatures. 

Continuous flow. 

Warranty. Residential Units come with a 10 year Heat Exchanger and 2 year on parts. 

Fan assist side wall power vented model options are available for those difficult venting jobs.