Owner`s manual

Air Vents
Honeywell Water Product Solutions
63-8702 39
EA122A Automatic Air Vent for Heating System Applications
The Honeywell EA122A Automatic Air Vent purges air from high
pressure mains and equipment in hot or cold closed water
systems.
• Includes removable float/valve assembly for easy servicing.
• Not for use in steam systems.
• Body, cover and float assembly made of thermoplastics.
• Internal parts made of corrosion-resistant and chemical-resistant
materials for use with water systems containing light concentrations
of propylene glycol, mineral oils, or petroleum-based oils.
• Oil resistant seal.
• NBR seat disc and O-ring.
Dimensions Diagram EA122A construction.
Application: Hydronics
Corrosion Resistant: Internal parts made of corrosion-resistant and
chemical-resistant materials for use with hydronic systems that may
contain concentrations of propylene or ethylene glycol, mineral oils, or
petroleum-based oils.
Maximum Operating Temperature: 212 F (100 C)
Maximum Operating Pressure: 90 psi (620 kPa)
Accessories:
Q122A1001 Safe waste connector
Replacement Parts:
P122B1002 Replacement O-ring
900761 Red Vent cap for Air Vent
M5491D
1/8 INCH
EXTERNAL
THREAD
9/16
(14)
5-1/4
(133)
4-3/4
(121)
1-7/8 (48)
7/16 (11)
M6585A
CONSTRUCTED
FOR EASY,
IN-LINE SERVICE.
SHUTOFF IS
BUILT-IN.
NO DRAIN-DOWN
REQUIRED.
JUST TWIST AND YOU'RE READY
TO SERVICE! TWIST AGAIN AND
YOU'RE BACK ON LINE.
RED VENT CAP
VENT LEVER
SPRING
BLACK COVER
ASSEMBLY
O-RING
SEAT AREA—
MAKE SURE
A
REA IS FREE OF
DIRT AND DEBRIS.
FLOAT
Product Number
Size Dimensions, Approximate
Connection
Type
Connection
Size Description(inch) (inch) (mm)
EA122A1002 1/8 in. 5 1/4 in. long x
1 7/8 in. diameter
133 mm long x
48 mm diameter
NPT male
thread
1/8 In. Automatic air vent with built-in shutoff valve and
leakage guard, oil resistant