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  • Ecosoft RObust 500

HoReCa · ESPRESSO GRADE

Ecosoft RObust 500

Commercial RO for cafés

55 L/hr
continuous flow · ~1,300 L/day
99.8%
contaminants removed
Tankless
fresh water every pour
SCA
specialty coffee water spec
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Why switch

Why this commercial RO

Espresso-grade water on tap

SCA-aligned mineral profile · Consistent extraction · No scaled boilers

99.8% contaminants removed

Chlorine · Lead · Microplastics · Pharmaceutical residues

55 L/hr continuous flow

Handles a 2-group espresso machine through service rush without lag

No storage tank

Fresh RO every pour · No bacterial stagnation risk in service

Boilers stop scaling

Espresso group-heads, steam boilers, hot-water taps run scale-free for years

Compact behind-counter spec

Fits a 600 mm back-of-house cabinet · Pipes to coffee machine inlet

TDS dial for the barista

Tune the output minerality to your roast profile · SCA 75–250 ppm range

Same Ecosoft service plan

Annual filter swap · Cartridges in stock UK · Under 24 hr turnaround

How it works
Specification
Control/App
Installation
components
Aftercare

Sediment pre-filter

A 5-micron polypropylene cartridge catches sand, silt, rust flakes and pipe debris. Protects everything downstream — especially the twin membranes, which are the expensive part to replace.

Carbon block

A solid block of activated carbon removes chlorine, chloramines, and disinfection by-products. Critical pre-membrane step — chlorine destroys RO membranes; carbon out front extends their life.

Boost pump

A built-in 24 V DC pump raises feed-water pressure to drive the membranes at full flow. This is the part that enables tankless operation — the pump produces enough flow that you don’t need a tank buffering the slow output of a passive RO.

Twin RO membranes

Two thin-film composite membranes in parallel. Same 0.0001-micron pores as a single-membrane RO — same 99.8% rejection rate — but the parallel arrangement doubles flow. PFAS rejection is specified at 99% on this membrane class.

Post-carbon polish

A small carbon cartridge after the membranes catches any taste compound from the internal plumbing. Final polish before the water reaches your glass. Replaced annually with the filter kit.

Aquaspring re-mineralisation

RO water alone tastes flat. Aquaspring adds back calcium and magnesium in measured amounts, restoring taste and balancing pH to roughly 7.2–7.5. Same stage as the Standard PRO — Ecosoft's family signature.

Output 400+ L/day Daily production at 25 °C and 4 bar mains pressure. Comfortable for a coffee-serious family of 4–6 or a small studio reception.
Purity 99.8% Rejection rate on dissolved solids. Lab-tested across the membrane pair.
PFAS Removal 99% Forever chemicals from non-stick cookware, food packaging, firefighting foam runoff. Specified on this membrane class.
Stages 6 + pump Sediment • carbon block • boost pump • twin RO membranes • post-carbon • Aquaspring re-mineralisation.
Format Tankless Tankless. No storage tank under the sink, no stagnation, no sanitisation. Water made on demand by the internal pump.
Power 24 V DC 24 V DC via included plug-in transformer. Requires a normal 13 A socket under the sink — we'll confirm on the phone chat.
Power Draw ~30–50 W When pump is running. Standby is around 5 W. Total annual electricity cost typically under £10.
Inlet Pressure 1.5–6 bar Boost pump pressurises feed water, so Direct Flow tolerates lower mains pressure than the standard 6-stage — useful in older flats and high-rise top floors.
Dimensions 450 × 180 × 420 mm Compact tankless format. Fits a 500 mm carcass with room for the transformer alongside. No tank takes up the rest of the cupboard.
Connection 1/4″ JG push-fit Push-fit 1/4″ John Guest tubing on inlet, drain and tap line. Tool-free service.
Tap Included Yes · chrome Slim chrome lever-style dedicated drinking-water tap. Brushed nickel finish available on request.
Service 12 months Annual filter swap on all six stages. Twin membranes replaced together every 2–3 years based on the TDS reading.

Controls

Tap lever

The only control the user touches in normal use. Push the lever and the pump kicks in automatically; release and it stops. Pressure-sensing inside the system — no electrical switch on the tap.

LED filter indicators

Three LEDs on the front of the unit show life remaining on the cartridges. Green for fine, amber at ~30 days remaining, red when due. Service trigger you can’t miss — useful for short-let owners not on site.

Filter-change reset

Single recessed button on the front, pressed for 3 seconds after each cartridge swap. Resets the LED counter for the next 12 months. We do this on the annual service visit; DIY users do it after swapping the kit.

Power switch

Rocker switch on the transformer cable. Use it to power the system off when going away for more than two weeks — saves the ~5 W standby draw and lets the system fully depressurise. Always-on in normal use.

Mains inlet isolator

Quarter-turn ball valve upstream of the system. Engineer’s on/off for service work. Pair with the power switch when going on holiday so the system is fully off and water-isolated.

Drain saddle valve

Isolates the drain line. Used by the engineer during cartridge change to avoid spillage — bypasses the small reject-water stream that would otherwise run during the swap.

TDS sample port

Small push-fit port on the product line. Engineer takes a TDS reading at each annual service to verify the twin membranes are still rejecting at 95%+. Below 95% triggers a membrane swap.

Inline digital TDS · optional

Battery-powered TDS display fitted on the tap line. Two buttons: mode (inlet vs outlet TDS) and calibrate. Shows real-time purity on the worktop. £65 add-on for the data-curious owner.

Installation

01 Phone chat Free · 15 min Quick check: household size, postcode water hardness, kitchen layout, mains pressure, and whether you have a 13 A socket under the sink. We confirm Direct Flow is the right spec and provide a written quote in 48 hours.
02 Fit day 3–4 hours Drill the tap hole through your worktop, mount the unit, connect to mains and drain, plug the transformer into your under-sink socket. Pressure-test the assembly. Flush the membranes. We clean up before leaving.
03 How to use it 10 min Tap demo, LED filter-life walkthrough, reset-button location, holiday shutdown procedure. TDS reading on the day so you know your baseline. Make sure you're happy before we leave.

Components

Compact filter block

All six stages housed in a single moulded block roughly half the depth of the standard 6-stage. Food-grade polypropylene. Quarter-turn cartridges. This is the entire system you see when you open the cupboard.

Twin RO membranes

Two thin-film composite membranes in parallel inside the block. Same membrane class as our commercial RO range — specified at 99% PFAS rejection and 99.8% TDS rejection. Replaced together every 2–3 years.

Built-in DC boost pump

24 V DC diaphragm pump pressurises feed water. This is the part that enables tankless operation — without it you’d need a tank. Sealed unit, 5-year design life, no user maintenance.

24 V transformer

External plug-in transformer steps mains 230 V down to 24 V DC for the pump. Plugs into a normal under-sink 13 A socket. CE marked, energy-efficient standby.

Aquaspring cartridge

The stage-6 re-mineralisation cartridge. Food-grade media puts calcium and magnesium back into the pure RO water in measured doses. Same cartridge as Standard PRO — service plans share parts.

Dedicated chrome faucet

Slim lever-style drinking-water tap. Drilled into the worktop next to your main kitchen tap. Chrome standard, brushed nickel on request, no extra cost.

Drain saddle clamp

Clamps onto the existing waste pipe under the sink. Self-piercing — no soldering, no repipe. Drain output is the small reject-water stream from the membranes — less than half the volume of a standard 6-stage.

JG tubing & fittings

1/4" food-grade LDPE tubing in colour codes: blue inlet, red drain, white product. Push-fit fittings throughout. Tool-free service.

Daily use & service

Dedicated kitchen tap

Slim chrome spout next to your main tap. Press the lever, the pump kicks in, water comes out within 2 seconds at full flow. Your regular tap still works normally for washing-up.

Fresh every pour

No tank means no stagnation. Every glass is freshly made from cold mains water through the filters and membranes — not water that sat in a tank for hours. Matters more than people expect.

Coffee, formula, ice

Bigger taste change shows up in coffee, tea and stock than in cold drinking water. Re-mineralised RO is suitable for baby formula too — balanced minerals, no chlorine, no lead.

Pause for holiday

Going away for more than a fortnight? Flip the transformer power switch and close the mains inlet isolator. Flush the lines on return. Two-step shutdown shown on handover.

Annual filter kit

Direct Flow filter kit from £65. All six service stages in one tool-free swap. CleverBloom service plan includes the kit, the visit, the TDS test and the LED reset — or DIY in 20 minutes and we post the kit.

Twin membranes 2–3 yr

The two RO membranes are replaced together every 2–3 years based on the TDS reading. We test it at each annual service and only replace when rejection drops below 95%.

No tank sanitisation

Tank-based RO needs sanitising every 3 years to control bacterial load. Tankless eliminates this entirely — no tank, no biofilm, no sanitisation step. One less thing on the service plan.

2-yr warranty · 5-yr housings

Full 2-year manufacturer warranty on the system, including the pump and transformer. Housings warranted 5 years against leaks. CleverBloom handles any claim direct with Ecosoft.

Pricing

Transparent pricing.
Grant included.

Heat pump unit only. Radiators, UFH, and emitters are on the heating page.

No items found.
fully installed
supply only

RObust 500

Café-grade commercial RO · 55 L/hr · 2-group espresso machines


Ecosoft RObust 500 commercial RO £680
Includes 5-stage commercial cartridge stack, twin ELP-4040 membranes, integrated 24 V boost pump, tunable TDS output dial, manifold output, JG fittings —
Equipment total £680

OPTIONAL ADD-ONS

Annual commercial filter set from £75
Replacement RO membrane ×2 (18–24 mo) £190
Commercial service plan + TDS calibration from £195/yr
Multi-equipment manifold expansion quote
Pair with HoReCa pre-filter for hard-water areas quote

RObust 500

Café-grade commercial RO · 55 L/hr · 2-group espresso machines


Equipment £680
Install & commissioning £315
Fully installed £995

RObust 500

Café-grade commercial RO · 55 L/hr · 2-group espresso machines


Ecosoft RObust 500 commercial RO £680
Includes 5-stage commercial cartridge stack, twin ELP-4040 membranes, integrated 24 V boost pump, tunable TDS output dial, manifold output, JG fittings —
Equipment total £680

OPTIONAL ADD-ONS

Annual commercial filter set from £75
Replacement RO membrane ×2 (18–24 mo) £190
Commercial service plan + TDS calibration from £195/yr
Multi-equipment manifold expansion quote
Pair with HoReCa pre-filter for hard-water areas quote
Equipment
£11,200
Installation & commissioning
£4,300
Fully installed
£15,500
After £7,500 BUS grant 0% VAT until March 2027
£8,000
get a quote
Whats App instead
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Technical specifications

Output 400+ L/day Daily production at 25 °C and 4 bar mains pressure. Comfortable for a coffee-serious family of 4–6 or a small studio reception.
Purity 99.8% Rejection rate on dissolved solids. Lab-tested across the membrane pair.
PFAS Removal 99% Forever chemicals from non-stick cookware, food packaging, firefighting foam runoff. Specified on this membrane class.
Stages 6 + pump Sediment • carbon block • boost pump • twin RO membranes • post-carbon • Aquaspring re-mineralisation.
Format Tankless Tankless. No storage tank under the sink, no stagnation, no sanitisation. Water made on demand by the internal pump.
Power 24 V DC 24 V DC via included plug-in transformer. Requires a normal 13 A socket under the sink — we'll confirm on the phone chat.
Power Draw ~30–50 W When pump is running. Standby is around 5 W. Total annual electricity cost typically under £10.
Inlet Pressure 1.5–6 bar Boost pump pressurises feed water, so Direct Flow tolerates lower mains pressure than the standard 6-stage — useful in older flats and high-rise top floors.
Dimensions 450 × 180 × 420 mm Compact tankless format. Fits a 500 mm carcass with room for the transformer alongside. No tank takes up the rest of the cupboard.
Connection 1/4″ JG push-fit Push-fit 1/4″ John Guest tubing on inlet, drain and tap line. Tool-free service.
Tap Included Yes · chrome Slim chrome lever-style dedicated drinking-water tap. Brushed nickel finish available on request.
Service 12 months Annual filter swap on all six stages. Twin membranes replaced together every 2–3 years based on the TDS reading.

Works with

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Installed by CleverBloom

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Clever Bloom - Smart Home and MVHR Ventilation Installation UK

We provide smart technology for homes and commercial spaces, ensuring transparent processes and optimal resource management.

Working hours: Mon - Sun. 8am - 8pm

Proudly serving the entire UK!

Give us a call
07526 985258
Send us an email
info@cleverbloom.co.uk
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