Pfeiffer Vacuum Pump CombiLine WU 412, Hena 100 & Okta 500 Roots Pump, 100806

Specifications

Type

Oil-sealed rotary vane

Pumping speed

~100 m³/h

Water-vapour tolerance

~340 g/h

Ultimate vacuum

≤ 0.1 mbar

Source

eBay

Listing #

eBay #405379916716

Last verified

Jun 29, 2026

Fits WAVE machines: FD440 MAX

Price history— Pfeiffer Hena

Median €2.312 · 42 observations · €386–€13.485

What to look for on this family

Single-stage oil-sealed with gas-ballast. Robust and well-priced on the used market — a good fit for IC-series chambers when budget is tight.