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Cast-iron
heat
exchanger
Thermal
pins
Metal
push nipples
Insulated
base
Insulated
jacket
High limit
control
Long life
burners
Gas valve
Circulator pump
Pressure
temperature
gauge
Rollout
safety switch
Insulated base.
Base is constructed of
heavy gauge aluminized
steel. Thick refractory type
insulation surrounds
combustion chamber,
minimizing standby losses
and increasing efficiency.
Long-life burners.
Stainless steel burners are
quiet, lightweight, long
lasting and easy to install
or remove. Special port
construction will not permit
flame to “lift” or flash back.
Automatic, motorized
vent damper.
Increases efficiency of
boiler by reducing standby
losses. Motor closes the
chimney vent when the
burner is off, fully opens
it in anticipation of
combustion. An interlock
prevents burner operation
unless the damper is in
an open position.
Energy saving
intermittent pilot.*
When thermostat calls for
heat, solid state igniter
sparks to light pilot. Sensor
reads pilot flame and opens
main gas valve.
Factory installed. Polarized
receptacle provided for quick
connect to vent damper.
* Some codes may require an
intermittent ignition device.
Please order accordingly.
Metal push nipples.
All cast-iron boilers are made with multiple
sections that are joined together. Slant/Fin uses
only metal push nipples that expand and
contract with the individual boiler sections that
they connect. The rubber gaskets that are
substituted for push nipples in many other
boilers could deteriorate. This results in water
leaking from the boiler and major repair bills.
Ignition
control