Bock Water heaters Water Heater 120E BCS User Manual

Balanced

Combusion

™

System

Sidewall Vented

Oil & Gas Water Heaters

Featuring Bock’s Legendary

The heat exchanger with

hundreds of turboﬁns to

boost heat transfer --

heating water faster

with less fuel.

20 to 113 Gallon capacities

60,000 to 190,000 BTU

Cobalt-enriched Glass-Lined Tank

Dual Magnesium Anode Rods to Inhibit

Corrosion

Stainless steel concentric sidewall vent for maximum durability and

easy installation. BCS sidewall venting offers these beneﬁts:

Air is warmed before entering burner to

improve combustion efﬁciency

Burner operation is unaffected by

room exhaust fans or negative air issues

Corrosive aerosols near water heater

are not drawn into burner

5-Year limited warranty on residential installations

3-Year limited warranty on commercial installations

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