Busch · Other
Busch RC 0040 E 503 — rotary vane vacuum pump
Original title: BUSCH RC 0040 E 503 Vakuum Pumpe Vakuumpumpe 7AA90L-4 Vakkum Pump RC0040E503
Market median (sold): €1.876 from 141 sales in this family
📍 Germany
🟡 OK with refurb
Suitable for WAVE freeze dryers; typical refurbishment needed before use.
Condition from photo
Visible dust and oxidation on housing; oil residue present; motor and pump body intact; mounting frame secure.
Likely refurb / add-ons
- Oil change and filter service — €80–120
- Exhaust filter replacement — €60–100
- Soft-starter (optional, extends motor life) — €250–300
Watch out for
- Exterior shows age and storage wear; internal condition cannot be assessed from
- No visible documentation of maintenance history or hours of operation.
WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.
Specifications
- Type
- other
- Pumping speed
- ~0 m³/h
- Water-vapour tolerance
- ~0 g/h
- Ultimate vacuum
- —
- Source
- eBay
- Listing #
- eBay #142589008134
- Last verified
- Oct 3, 2026
Price history— Busch Other
Median €2.217 · 1233 observations · €308–€33.945
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Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.
Type plate (AI reading)
- Exact model
- RC 0040 E 503
- Serial
- 02049301
- Type
- RC 0040 E 503
- Serial No.
- 02049301
- Pressure
- 20 hPa (mbar)
- Oil
- ISO VG 100
- Origin
- Made in Germany
- Approval
- CE
Auto-extracted from one of the listing photos. Verify on the real unit before purchase.
What to look for on this family
Generic Busch vacuum pump — model family not auto-detected. Send us the listing URL for a free identification + suitability check.