Lead Time Chart

Adjustable Knocked Down Roof Curbs

Calculated Isolation Roof Curb

Calculated Knocked Down Hold Down Clips

Curb Adapters

Hurricane Roof Curbs Knocked Down

Isolation Rails

Isolation Roof Curbs

Knocked Down Roof Curbs

Coil Hail Guards

Economizers

Outside Air Packages

Power Exhaust

Lead times are current as of 10/07/26

Product	Lead Time	Quantity
Curb Adapters	2 weeks	1–5
Welded Curbs and Standard Welded Product	4–5 weeks	1–2
Vibration Isolation CurbsStandard isolation and calculated	4–5 weeks	1–2
Knocked Down Curbs	5–6 weeks	1–10
Economizers	16–17 weeks	1–10
Power Exhausts	16–17 weeks	1–3
Mixing Boxes	7–8 weeks	1–3
Most all other Non-Welded product	16–17 weeks	—

Lead times are for 2–12.5 ton units.

Please contact ProVent for large items and larger quantities for accurate lead times.