Model Type RF
steel panel radiator elements of lengths and in locations as
indicated, and of capacities, style and having accessories
as scheduled. The wall hung heating panel radiation shall be
of one-piece all-welded steel construction, consisting of
flattened water tubes welded to headers at each end. The
radiator shall include an integral heavy gauge (0.09”
minimum) all-welded perforated top grille (for curved
radiators the grille is omitted). RF models to have steel
corrugated fins welded to the rear side of the water tubes
to increase the convective output of the unit. There shall
be no less than 32 fins per foot. Fins shall start within 1”
of the headers, and shall be spot-welded three times per
The radiator’s headers shall include all necessary inlet,
outlet and vent connections as required. Standard connection
sizes are ½” NPT tapered thread for supply and return
piping, and 1/8” for the vent connection. Internal baffling
is provided where required for proper water flow. Optional
¾” connections shall be available at an additional cost.
The radiant heating panels shall be available in lengths
from 2’-0” to 29’-6” in two inch even increments without the
need for splicing. The panel radiation shall be capable of
being mounted to typical stud wall construction without
additional blocking or strapping. Appropriate wall mounting
brackets or optional floor post mounting shall be provided
with the radiation. Panel radiation expansion shall not
exceed 1/64” per foot of radiation at 215ºF. The installer
shall provide adequate expansion compensation for each
The panel radiation shall be manufactured in the USA.
ratings for the radiation shall be as follows:
STANDARD: Working pressure-56 PSI maximum, Test Pressure-74
MEDIUM: Working pressure-85 PSI maximum, Test Pressure-110 PSI
HIGH: Working pressure-128 PSI maximum, Test Pressure 184 PSI
The panel radiation shall be
cleaned and phosphatized in preparation for the powder
coat finish. The radiation is then finish painted with a
gloss powder coat finish, for a
total paint thickness of 2-3 mils (0.002” - 0.003”). The
color shall be selected from
Runtal’s ten Standard Colors; or Runtal Optional Colors
shall be available at and
All Runtal radiators are covered
by a 5-Year Limited Warranty.
Subject to compliance with
requirements, provide flat tube panel radiation as
manufactured by Runtal North America, Inc.
OPTIONAL ITEMS WHICH MAY BE ADDED TO THE SPECIFICATION:
pipe cover trims, finished to match the radiators shall
be provided with the radiation.
radiation manufacturer shall provide combination shutoff
valve/union fitting of less than two inches in width for
the supply and return to each panel radiator, to be
field installed by others.
connectors shall be used where appropriate to provide
expansion compensation for the radiators.