Grease Duct & Zero Clearance

All pipe models are UL 1978 grease duct rated to their relative clearance to combustibles (single-wall, double-wall air or blanket insulated). Zero Clearance grease duct models Z3 & Z4 are additionally UL 2221 rated to zero clearance to combustibles and have an integral 2 hour fire rated enclosure, not requiring a separate fire rated shaft.

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Document Name	Description	File Size
Z-Clear Brochure	Z-Clear Brochure	1.51 MB
Ampco VSI / IVSI Exhaust Duct	Contains standard VSI & IVSI exhaust duct models product/component information and dimensions	2.17 MB
AMPCO Z-Clear Catalog	Contains model IVSI-Z3 & Z4 product/component information and dimensions	2.53 MB

Document Type	Document Name	Description	File Size
	AMPCO - Installation Instructions & Maintenance Guide	INSTALLATION INSTRUCTIONS & MAINTENANCE GUIDE	842.09 KB

Document Type	Document Name	Description	File Size
	Ampco Warranty_06.2011	Ampco Warranty	42.24 KB

Document Type	Document Name	Description	File Size

Document Type	Document Name	Description	File Size
	AMPCO Model IVSI Z3 Grease Duct Specifications	Provide factory built grease duct that is tested and listed by the Underwriters' Laboratories, Inc to UL 1978 and UL 2221 test standards	31.00 KB
	AMPCO Model(s) N, VSI, IVSI Grease Duct Specifications	Provide factory built grease duct (single wall or double wall air or blanket insulated) that is tested and listed by the Underwriters' Laboratories, Inc to UL 1978 test standard	31.00 KB

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Product Information

Grease Duct & Zero Clearance