Model Type R
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).
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 radiator.
The panel radiation shall be manufactured in the USA.
Pressure 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 additional cost.
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:
Ribbed pipe cover trims,
finished to match the radiators shall be provided with the
The 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.
Runtal-Flex connectors shall be
used where appropriate to provide expansion compensation for