Specifications

Air Vents and Eliminators
248 customer.honeywell.com 70-6910
EA79 Industrial Air Vents
The Honeywell EA79 Industrial Air Vent purges air from high
pressure mains and equipment in hot or cold closed water
systems.
• Built-in shutoff valve for servicing without system shutdown.
• Built-in vacuum breaker.
• Removable float/valve assembly for easy servicing.
• Safety drain connection and vent cap with leakage guard.
• Brass shell construction.
• Internal parts made of corrosion-resistant and chemical-resistant
materials for use with water systems containing propylene glycol,
mineral oils, or petroleum-based oils. Replaces Hoffman # 79 or
Dole # 75 Vents.
• Maintains quiet and efficient operation.
Dimensions in inches (millimeters)
EA79 capabilities
EA79 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.
Maximum Operating Temperature: 250 F (120C)
Maximum Operating Pressure: 150 psi (1034 kPa)
Accessories:
Q122A1001 Safe waste connector (M20 thread connection)
Replacement Parts:
P79B1003 Replacement O-ring, cover and internals for EA79A1004
5
(128)
4-11/16
(120)
M6095D
3/4 INCH
NPT EXTERNAL
THREAD
1/2 INCH NPT
INTERNAL THREAD
OPEN CLOSED
CAUTION!
!
Device may be hot
Do not use tools to adjust the e
damage to vent may result. us
only to adjust vent. A wrench
only on hex during installation
1/2 (12)
1-7/8 (48)
M2760A
250
300
200
150
100
50
0
CUBIC FEET/HOUR
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
PRESSURE (PSI)
M6096A
BLACK COVER
ASSEMBLY
SEAT AREA—
MAKE SURE
AREA IS FREE OF
DIRT AND DEBRIS.
OUTER RING
RED VENT
CAP WITH
LEAKAGE GUARD
O-RING
SPRING
VENT LEVER
FLOAT
Product Number Connection Type Connection Size Description
EA79A1004 3/4 in. male NPT pipe thread with 1/2 in. female NPT pipe thread 3/4 in. Industrial automatic air vent