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Boilersmith Ltd.
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Boilersmith - Model EF3 / BF3 / VF3 ...

VF3 Series -Firetube Boiler

LOW PRESSURE STEAM OR HOT WATER: EF3 ENVOY , 2″ tubes, 77 to 1501 sq. ft. H.S. EF3 ENVOY , 2-1/2″ tubes, 1000 to 4500 sq. ft. H.S. BF3 BARON , 2-1/2″ tubes, 82 to 1000 sq. ft. H.S. VF3 VICTOR, 3″ tubes, 100 to 4500 sq. ft. H.S.

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Special Features for these solid fuel systems include :

FULL WETBACK construction prevents the short circuiting of flue gases
Open furnace bottom (no base or refractory floor)
Hinged furnace access door; front, rear or side 16 or 20 inch diameter
Custom rear flue gas box outlet
Integral front flue box liner protects insulation from wear and damage
Outstanding inspection access as well as quick and easy maintenance
Flushout and inspection openings are 3×4 inch handhole type. Offset studs ease installation.
ASME fireside fusible plug
A variety of other customer-specified options are available

OPTIONAL Hot Water Trim

Relief valve(s)
Pressure gauge with gauge cock
Water temperature indicator
Manual reset, probe type low water cutoff
Operating temperature control
Manual reset high limit temperature control
High fire temperature control or proportional firing rate (modulating) control
Drain valve
Stack thermometer

OPTIONAL Steam Trim

Safety valve(s)
Waterglass set
Pressure gauge
Gauge cock
Three trycocks
Pressure control – high limit safety (manual reset)
Pressure control – operating
Pressure control – high fire or proportional firing (modulating) control
McDonnell & Miller 157S low water cutoff and pump control
Water column blowdown valve
Manual reset, probe type auxiliary low water cutoff control
Drain valve
Stack thermometer

Options and Alternatives

Auxiliary hinge mounted oil or gas backup burner
Firing rate control pressure or temperature controller
Stainless steel jacket
Hinged access doors – 16, 20 or 24 inch pipe size
Furnace pressure taps
Additional peepsite assemblies

Boilersmith - Model EF3 / BF3 / VF3 Series -Firetube Boiler

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