Type Y & Z NFPA 496 Enclosure Pressurization Units WARRANTY

The Industry’s Best
2 Year Warranty with
Product Registration!


All Best Purging Systems Corporation Model YZ101A, YZ101B & YZ101C Pressurization Units are warranted against any defects in workmanship and materials for twelve (12) months upon shipment, with an additional twelve (12) month warranty extension period upon product registration using the on-line form available below or other prescribed methods.

This warranty covers all necessary parts and labor or product replacement at Manufacturer’s discretion, upon determination of product defect.

Click the button below or contact a Sales Associate for complete details regarding the industry’s most extensive warranty!

US File

Canadian File

Third Party Certification

Best Purging System Model YZ101A, YZ101B and YZ10C Pressurization Units are UL Classified for use in Class I & II, Division 1 & 2 & Zone 1 & 2, Groups A, B, C, D, E, F & G Hazardous (classified) Areas, to ensure full compliance with all applicable US & Canadian Standards and End User specifications and requirements.

Depending on the incorporation of an enclosure pressure loss alarm switch, the rating stated above may be reduced to the rating stated on the switch.

Please click the below button to view our UL Unit Certification.