Owner`s manual

Air Vents
Honeywell Water Product Solutions
40 customer.honeywell.com 63-8702
EA122A Automatic Air Vent for Non-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
Application: Water Treatment
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 (not resistant to
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:
900761 Red Vent cap for Air Vent
P122B1010 Replacement O-ring
Air Vent Accessories
M5491D
1/8 INCH
EXTERNAL
THREAD
9/16
(14)
5-1/4
(133)
4-3/4
(121)
1-7/8 (48)
7/16 (11)
Product Number
Size Dimensions, Approximate
Connection
Type
Connection
Size Description(inch) (inch) (mm)
EA122A1028 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 shut off valve;
EPDM seat disc and O-ring.
Product Number Description Used With
P122B1002 Replacement O-ring EA122A1002;
P122B1010 Replacement O-ring EA122A1028;
P79B1003 Replacement O-ring EA79A1004;
Q122A1001 Safe waste connector EA79; EA122A;