Skip to product information
Aspen Silent+ Mini Aqua Gen 5 Condensate Pump with Compact Reservoir – FP3420/1
The Aspen Silent+ Mini Aqua Gen 5 FP3420/1 combines the ultra-quiet 5th Gen Mini Aqua pump with an integrated compact reservoir. Using Capacitance Sensing and Rotary Diaphragm technology, it delivers intelligent adaptive flow rates for extended pump life, maximum reliability, and improved energy efficiency. Suitable for systems up to 40kW / 136,000 Btu/h.
The slim profile fits neatly into trunking and inside mini split units. Plug and play installation — note: not backwards compatible with previous generation cables.
Key Features
- As low as 16 dB(A) @ 1m — virtually inaudible
- Integrated compact reservoir for additional buffer capacity
- Suitable for AC systems up to 40kW / 136,000 Btu/h
- Max flow rate: 35 L/h @ 0m head
- Max recommended head: 10m
- Max suction lift: 1.5m
- IP24 — splash proof rated
- Slim profile — fits inside trunking and mini split units
- Plug and play — not backwards compatible
- Safety switch: 5.0A Normally Closed
- Self priming
- 3-year warranty
- Made in the United Kingdom
FP3420 vs FP3420/1 — Which Do I Need?
- FP3420 — standard Mini Aqua pump without reservoir, suits most installations
- FP3420/1 (this product) — Mini Aqua pump with compact reservoir, ideal where additional buffer capacity is needed or condensate flow is intermittent
Typical Applications
- Residential and commercial split AC systems up to 40kW
- Ducted units, floor standing and chassis units
- High wall mini split systems
- Installations where a condensate buffer reservoir is required
- Noise-sensitive environments — bedrooms, offices, hotels
Technical Specifications
| Parameter | Value |
|---|---|
| Model | FP3420/1 |
| EAN | 5060926521923 |
| Tariff Code | 84135069 |
| Max flow rate | 35 L/h @ 0m head |
| Max rec. head | 10m |
| Max suction lift | 1.5m |
| Noise level | As low as 16 dB(A) @ 1m |
| IP Rating | IP24 |
| Power supply | 100–250V AC, 0.18A, 2.4W, 50/60Hz |
| Rated | Continuous |
| Class | II (double insulation) |
| Max unit output | 40kW / 136,000 Btu/h |
| Max ambient temp | 40°C (104°F) |
| Inlet o/d | Ø16mm (5/8") |
| Outlet o/d | Ø6mm (1/4") |
| Safety switch | 5.0A Normally Closed |
| Self priming | Yes |
| Weight | 0.408kg |
| Warranty | 3 years (36 months) |
| Country of Origin | United Kingdom |
What's Included
- Silent+ Mini Aqua 5th Gen pump
- Compact reservoir (inc. lid)
- 1.5m plug and play cable (not backwards compatible)
- 1.5m clear PVC tube
- 150mm clear vent hose
- 220mm blue inlet hose
- Drain connector kit: straight connector and rubber elbow
- Quick start guide
Frequently Bought With
- Aspen Xtra FP2628 Anti-Siphon Non-Return Valve 6mm – Pack of 5
- DiversiTech RVT-1/4 Condensate Drain Hose 6mm 30m
- Jubilee Clip 9–12mm
Also in the Aspen Mini Aqua Range
- Aspen Silent+ Mini Aqua Gen 5 FP3420 — standard version without reservoir
- Aspen Silent+ Mini Lime FP3322/5 — up to 46kW, 16 dB(A)
- Aspen Max Hi-Flow FP3349 — commercial tank pump up to 733kW
- View all condensate pumps