Honeywell EA79 Catalog Page

Air Vents and Eliminators

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)

M2760B

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)

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

BLACK COVER
ASSEMBLY

O-RING

SEAT AREA—
MAKE SURE
AREA IS FREE OF
DIRT AND DEBRIS.

OUTER RING

RED VENT
CAP WITH
LEAKAGE GUARD

VENT LEVER

SPRING

FLOAT

M6096B

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

218 customer.honeywell.com 70-6910

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