Single Stage Gas Valve
with
4 Speed Direct Drive Fan
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Saves Fuel up to
80+% Efficiency
|
Single Stage Gas Valve with
Variable Speed Blower
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Saves More Fuel up to
90+% Efficiency
|
Dual Stage Gas Valve
with
Variable Speed Blower
------------------------------------
Saves the MOST Fuel up
to
96.7+% Efficiency
|
