CALEFFI 508013A User manual

SAFETY INSTRUCTION
This safety alert symbol will be used in this manual to draw attention to
safety related instructions. When used, the safety alert symbol means
CAUTION: All work must be performed by
personnel trained in the proper application, installation,
and maintenance of systems in accordance with all
applicable codes and ordinances.
CAUTION: Over-tightening and breakage can occur
with the use of T ® pipe joint compounds. T ®
provides lubricity so that care must be exercised not to
over-tighten joints. Failure to follow these instructions
could result in property damage and /or personal injury.
WARNING: System uids are under pressure or
temperature can be hazardous. Be sure the pressure
has been reduced to zero and the system temperature is
below 100°F (38°C). Failure to follow these instructions
could result in property damage and/or personal injury.
Automatic Hygroscopic Air Vent for radiators
38455.02
508013A
www.cal om
CALEFFI
©Copyright 2018 Caleffi
Technical Characteristics
Connection: 1/8” NPT male
Materials: Body Chrome-plated brass
Maximum working pressure: hot water: 150 psi (10 bar)
steam: 15 psi (1 bar)
Maximum working temperature: 212˚F (100˚C)
Maximum peak temperature: 230˚F (110˚C)
This item is designed for use in closed hydronic or steam systems. Do not use in
plumbing applications. This item does not meet the low-lead plumbing standards of
U.S. and Canada.
ATTENTION: BECOME ALERT!
YOUR SAFETY IS INVOLVED! FAILURE TO FOLLOW THESE
INSTRUCTIONS MAY RESULT IN A SAFETY HAZARD.
WARNING: This product can expose you to chemicals including lead,
which is known to the State of California to cause cancer and birth
defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov.

Operation:
Manual Discharge Position:
Unscrew the knob counter-clockwise one
turn. This position is used mainly when
lling the system.
Service Instructions
The cartage (knob) portion of the vent contains the hygroscopic disc. The
cartridge can easily be replaced without draining the system. The disc will
deteriorate overtime It is necessary to replace the cartridge at least every two
years.
Automatic Discharge Position:
Turn the knob clockwise until it seats
completely. Valve will vent air automatically.
Replacement Cartridge:
Allow system to cool before replacing
cartridge. Remove cartridge by
unscrewing knob counter-clockwise. A
small ball inside the body prevents water
from escaping. Replacement cartridge
Part number: 508100A.
CAUTION: Corrosion or leakage can cause damage or
injury. Periodically inspect for signs of corrosion or
leakage. If corrosion or leakage is note, the vent must be
replaced. Replace the hygroscopic cartridge at least every
two years or sooner if installed in aluminum radiators.
Caleffi North America, Inc.
3883 West Milwaukee Road
Milwaukee, WI 53208
T: 414.238.2360 F: 414.238.2366
7-19-18
·
Installation Tip
Scan to view
AIR VENTS