$2,535.00 – $2,730.00
Single Unit List Price – Standard Availability: 2-3 Weeks
Please call us for quantity discount prices and rush deliveries!
Type Y & Z Horizontal Mounting with Alarm Pressure Switch Options:
Class I Applications up to 250 Cubic Feet
A Model PV-4-S or PV-4-T Enclosure Vent is required for proper operation and to meet NFPA 496 Code Requirements. Please add this item to your cart prior to checkout.
| Weight | 20 lbs |
|---|---|
| Dimensions | 20 × 18 × 12 in |
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!
Technical Bulletin
This Unit may be connected to your protected enclosure with the following connector kits, as selected to meet your needs.
Fitting kits include a supply and reference connector for the protected enclosure bulkhead and pipe connectors can be used to join multiple enclosures in an array.
Please review our Technical Bulletin or contact a Best Purging Systems Sales Associate for more information!
Technical Bulletin
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!
Model YZ104 Horizontal 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 Horizontal Mount Model YZ104 may be mounted on the top or bottom 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.
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!
High Resolution PDF | Low Resolution PDF
These documents will open in a separate window for your convenience.
Technical Bulletin
Flipbook Link
Purging & Pressurization Systems
Purging & Pressurization Systems
Did you know members of our team have been conducting these fun, interactive and insightful seminars for over 30 years? Based on your current knowlege, we tailor our presentations to boost your knowledge and guide you through an open forum Q&A process of understanding essential NFPA 496 Code Requirements and how best to apply them.
To request one of these one or two hour seminars for yourself and others in your organization, please fill out and submit the registration form below...
DISCLAIMER:
Please note Best Purging Systems Corporation is not affiliated with nor accredited or certified by the National Fire Protection Association. Our guidance, recommendations and education regarding requirements of NFPA Code 496 are based upon over 80 years of combined experience as accumulated by our Senior Staff Members, as they've served both our many loyal clients and the NFPA as voluntary contributors and technical committee members,
Just like he did back in 1985, when he wrote America's first guide for enclosure purging and pressurization, our CEO and founder, Mike Baucom, recently wrote America’s first definitive ASHRAE Guide for HVAC in Hazardous Spaces. He undertook this effort on behalf of our sister company, Bebco Environmental Controls, with the extremely dedicated support of many fellow ASHRAE Technical Committee members. This ASHRAE Guide outlines numerous techniques and methods developed over time by countless experts within specific fields of interest.
To support ASHRAE and promote this new guide, we're offering a complementary copy on this website for a limited time. However, please note we anticipate a significant number of requests, so please act now!
In the meantime, give us a call with any questions about enclosure purging. We're standing by right now to help you understand critical NFPA 496 codes and the principles behind them, with absolutely no strings attached!
We know price matters, so we’ll match the price of any comparable unit, and our's will be better built, easier to install and more serviceable.
Call now for a quick quote!
We know quality matters, so we proudly offer America’s most comprehensive two year warranty.
See our Product Warranties link below, or contact us to learn more.
We’re committed to keeping you and your colleagues safe and fully advised on NFPA 496 and NEC safety requirements.
Please call us or click our chat box for expert advice anytime, regardless of whether you need our products.
We go to extraordinary lengths to manufacture the highest quality products and ship them quickly and securely to you.
As a result, you receive pristine units that work well from day one and continue to perfom over a very extended lifespan!
Unlike other companies that won’t accept any returns for any reason, if you buy something from us that’s not quite right, we’ll take it back or exchange it free of charge!
– At most, all you'll cover is the cost of shipping!
Give us a call and we’ll be happy to explain more about this unique benefit that’s designed to keep you happy and coming back to us for your purging and pressurization solutions.
