Install Instructions

free flow of air and gases. It may be piped to another location if left open, however, the risk
then exists for blockages, which will impede the product’s performance.
CAUTION! Do not attempt to turn the venting port, as that will damage and/or destroy
the venting mechanism.
WARNING! Water temperatures above 100°F can be very hazardous. Keep
body away from valve while open. Failure to follow these instructions may cause
serious bodily injury or property damage.
SERVICE INSTRUCTIONS
The Spirovent does not normally require maintenance and includes no moving parts other than
those in the vent head itself.
WARNING! System fluid under pressure can be very hazardous. Before removing
the vent head for inspection, reduce system pressure to zero, or isolate the Spirovent
from the system. Allow the system to cool to below 100°F. Failure to follow these
instructions may cause serious bodily injury or property damage.
1. Using two strap wrenches, hold the body in place in the piping while removing the vent
head, taking care not to damage the O-ring. Pipe wrenches may be used, but they can
leave marks in the brass.
2. To clean the vent head, use a mild detergent and water or vinegar and water solution. For
extremely dirty conditions, soak the head in mineral spirits for several hours and then
clean thoroughly. The vent head is available as a replacement part if necessary. Use part
number PJR000HA. Assembly includes the O-ring.
3. While the vent head is removed, remove the coalescing medium from the body and rinse
thoroughly with mild detergent and water or vinegar and water to remove any system
contaminants.
4. Examine O-ring before installing on the Spirovent and replace if necessary. Use part
number PJR000RG.
5. Reassemble the Spirovent.
6. Return system to operating condition.
WARNING! Water temperatures above 100°F can be very hazardous. Keep
body away from valve while open. Failure to follow these instructions may cause
serious bodily injury or property damage.
7. If system was completely drained, minimal manual bleeding may be required at the
highest points to ensure the system is completely full of water and able to circulate.
A Spiro Enterprises Company
Spirotherm, Inc.
25 N. Brandon Drive
Glendale Heights, IL 60139
630-307-2662
Fax: [phone]
Website: www.spirotherm.com
E-mail: [e-mail]
© 2005 Spirotherm, Inc. JrIOM-A