Category:

Model 104 Vertical

Type Y & Z

Vertical Mounting

with Alarm Pressure Switch Options

Class I Applications up to 75 Cubic Feet

As low as $1,630.00

SKU: YZ-104-V

3-5 Day Availability for
quantities of 1-5 Units.
Please contact us for
special discounts and
greater quantities.
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all essential accessories!
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Required Vents

This Unit requires one of the following Purge Vents to
prevent excessive enclosure pressure during the purging cycle.

Please select a Purge Vent of your choice below for either top or side mounting
on your protected enclosure or the last enclosure of a purged enclosure array.

Please review our Technical Bulletin or contact a
Best Purging Systems Sales Associate for more information!

Installation Accessories

These Supply & Reference Fittings and Enclosure Pipe
Connectors are specifically intended for this unit.

Supply & Reference Fittings connect a Unit to a protected enclosure.
Enclosure Pipe Connectors interconnect an array of protected enclosures.

Please review our Technical Bulletins or contact a
Best Purging Systems Sales Associate for more information!

Alarm Beacons

These Remote Alarm Beacons alert operators and maintenance personnel
upon loss of protected enclosure pressure, in accordance with NFPA 496.

Various styles, mounting options and operating voltages are
offered to provide a total solution to your local alarm needs.

Please review our Technical Bulletin or contact a
Best Purging Systems Sales Associate for more information!

Alarm Horns

These Remote Alarm Horns alert operators and maintenance personnel
upon loss of protected enclosure pressure, in accordance with NFPA 496.

Both Horns are offered with various operating voltages
to provide a total solution to your local alarm needs.

Please review our Technical Bulletin or contact a
Best Purging Systems Sales Associate for more information!

Warning Nameplates

These Enclosure Pressure and Temperature Warning Nameplates are
required for protected enclosure doors in accordance with NFPA 496.

One (1) Enclosure Pressurization Warning Nameplate is provided with all Units.
Additional Warning Nameplates may be purchased as required.

Please review our Technical Bulletin or contact a
Best Purging Systems Sales Associate for more information!

Product Details

Model YZ104 Vertical Mount Purging & Pressurization Unit 

This Unit protects electrical equipment enclosures not exceeding a volume of 250 cubic feet in Class I hazardous locations. The Type Z configuration permits the use of equipment suitable for unclassified locations within enclosures located in Division 2 or Zone 2 hazardous locations. The Type Y configuration permits the use of equipment suitable for Division 2 or Zone 2 hazardous locations within enclosures located in Division 1 or Zone 1 hazardous locations.

This Vertical Mount Model YZ104 may be mounted on the left or right side of a protected enclosure. It features an Explosion Proof Enclosure Pressure Switch that is Class I, Division 1, Group C & D or Class I, Division 1, Group A, B, C & D rated and provides a form “C” dry contact. The switch is required by NFPA 496 under certain circumstances to activate an audible or visual alarm device upon loss of safe pressure, as listed under the Alarm Beacons and Alarm Horns tabs above.

For more information on this unit and all accessories, please contact a Best Purging Systems Sales Associate
or click the other tabs above for links to our detailed accessory technical bulletins.

Technical Information

Model 104 Type Y & Z Purging & Pressurization System Technical Bulletin

This two page full color technical bulletin provides all essential information to make an informed purchasing decision. Beginning with product description, operation and specifications, this bulletin also includes component callouts, dimensions, a model number segment guide, material specifications and hyperlinks to all essential unit and protected enclosure accessories.

Click either link below to review high or low resolution versions.  You may then print or save it and easily share this comprehensive technical bulletin with your colleagues!

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