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

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

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