A sample layout of an STSP series tube heater system assembled from 10 ft lengths,
U-shapes and 90° bends.
A Flue vent through wall or roof
B Flue vent through common tee
C Optional combustion air intake from outside
Schwank STSP Series Low Intensity radiant Tube Heaters can be readily assembled to suit any
building shape and meet almost any heating requirements with nine different BTU sizes up to 200,000
BTU for either natural or propane gas.
Tube lengths range from 10 ft. to 70 ft. and come In 10 ft. lengths with quick mount couplers for rapid
assembly right out of the carton.
As indicated in the sample layout above, the system can be installed in straight form, U-shape with
180° bend, or with a or 90° bend. 45° elbows are also available.
Installation can be done in a vented or unvented mode, Flue-venting is possible through side walls or
the roof of the building, individually or through a common tee.
This is another Schwank exclusive feature that is used to reduce the angle of dispersion of the
infra-red rays and to concentrate rays to specific floor and work areas.
Reflectors can be positioned at settings ranging from horizontal to 45° for highly focused heat delivery.
The Focus Shield Reflectors have a large surface area and protrude well below the tube to enclose
convection heat around the tube in order to increase infra-red efficiency.
Closed ends stop convection heat escaping through the ends of the reflector and ensure reflector
placement and stability
With the Schwank STSP tube heater, there are no panels or doors to remove for service access. The
fold-away housing opens to expose all the controls and the burner for easy servicing. The burner can
be serviced from the end or the bottom.
A standard collar on the blower inlet permits the attachment of a combustion air inlet duct from any
direction allowing the heater to operate using fresh outside air only. This makes the unit ideal for use
in contaminated atmospheres.
The Schwank STSP Tube Heater is covered by a replacement parts warranty that is unique in the
industry: ten years on the burner assembly; five years on the tubes; and two years on all other parts.
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