Trebles Servicing
The Dirty Job, Done Right
Our service department also handles the unglamorous side of water, so you don’t have to.
Dirty Water Systems Present Their Own Challenges
Whether it’s a blocked pump station, a flooded chamber, or an impeller clogged with wipes and debris, the consequences can be serious. Downtime, odour complaints, rising water levels, and health & safety risks can all escalate quickly if the problem isn’t dealt with promptly and properly.
In environments where reliability matters: industrial sites, commercial buildings, treatment plants, care facilities, schools, or residential developments, dirty water systems are critical infrastructure. When they stop working, the impact is usually immediate and highly noticeable.
These aren’t the kinds of issues that can wait around for a call-back or a second opinion. They need the right people on site, with the right tools, and quickly. People who understand not just the symptoms, but the system. From controls and telemetry to pipework, pumps, valves, and beyond. At Trebles, we’ve got the team, the tools, and the technical knowledge to deal with system issues in foul water and wastewater environments.
We understand the pressure when things go wrong and the importance of a fix that doesn’t just get you back up and running, but keeps you there. Whether it’s a reactive callout or part of a planned maintenance programme, we treat every job with the same urgency and attention to detail.
This isn’t glamorous work, but it’s essential.
What Typically Goes Wrong
Dirty water systems rarely fail without warning, but when problems build up unnoticed or unresolved, the results can be costly. Through years of hands-on experience, our service engineers have seen the same issues crop up time and again across all types of foul water systems. Recognising the early signs and knowing how to respond is key to avoiding major failures.
Here are some of the most common issues we’ve seen:
Ragging & Blockages
Wipes, sanitary waste and fibrous materials are a constant threat. Once they wrap around an impeller or clog pipework, flow is restricted, and full blockages are often not far behind.
Fat, Oil & Grease Buildup
Over time, grease and fat deposits solidify in pipework and wet wells, gradually reducing flow and increasing strain on pumps. Left unresolved, it can cause system failure and costly clean-up work.
Pump & Motor Failure
Impeller damage, seal failures, and overheated motors are all common. These faults often stem from poor maintenance, heavy loading, or long-term wear in harsh environments.
Level Control Issues
Faulty floats, sensor errors or control panel faults can cause pumps to overrun or fail to start. This can lead to flooding, dry running or other serious downstream issues.
Inaccessible or Overlooked Systems
Systems installed below ground or out of sight often get overlooked. Without regular checks, small issues can go unnoticed until they become major disruptions.
This Is Where We Come In
Dirty water systems aren’t just another job to us, they’re a critical part of the infrastructure we support. From pump station faults and blocked chambers to full system diagnostics, Trebles offers practical, end-to-end support to keep wastewater systems working reliably.
We work with facilities managers, estates teams, facilities management contractors and local authorities across the UK, solving urgent problems today and preventing worse ones tomorrow.
What We Do
Routine maintenance and fault fixes for foul water systems.
Full-system inspections to spot faults before they escalate.
Fast response to pump failures and blocked systems.
Supply and install of like-for-like or improved components.
Tailored service schedules to reduce downtime and extend system life.
Consistent service and reporting across multiple locations.
How We Operate
Dealing with dirty water systems demands more than just a man in a van. It’s about knowing how to work safely, quickly, and intelligently in challenging environments, and doing it without cutting corners.
At Trebles, we’ve built our service department around four things: experience, process, communication, and pride in the job.
We send the right people
Every job gets a qualified, experienced engineer who understands the system. Not just the symptom. Whether it’s a simple float switch issue or a complete pump station failure, our team knows how to assess, diagnose, and resolve the problem efficiently.
We’re well-equipped
Our vans don’t just carry any tools. They carry the right tools. We stock our service vehicles with parts, spares, and cleaning equipment to tackle common faults on the first visit. And if it’s something more complex, our internal support team ensures we’re never far from a solution.
We communicate clearly
We’ll tell you what we’re doing, what we’ve found, and what your options are in plain terms. That might mean advising a repair today and planning a replacement for next quarter, or flagging a minor issue now before it turns into downtime later.
We think system-wide
Fixing one fault is good. Understanding why it happened and preventing it happening again is better. Our engineers are trained to look at the whole system: pumps, controls, telemetry, valves, pipework, and make recommendations that protect your operation in the long run.
We do things properly
No cutting corners. No guesswork. Just clean, safe, methodical work carried out to industry best practice, whether we’re ankledeep in sanitary waste or planning a site-wide preventative maintenance schedule. We take the work seriously because we know how serious it can get when a system fails.
Trebles Offering
Servicing
Emergency breakdown, commissioning, preventative/planned maintenance and repairs – Trebles offers it all.
With a team of engineers plus a network of external support, Trebles service team covers the entire UK.
Trebles also hold a large stock holding of spares covering multiple suppliers – no matter how old the pump, if viable to repair, Trebles will be able to find the parts to do it.
Trebles Success Stories
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The UK’s Largest Independent Pump Distributor…
Established in 1966 as GM Treble and undergoing a rebrand in 2021 to Trebles, Trebles has over 50 years experience in the pump and fluid circulation industry. The Trebles brand is still the largest independently owned pump distributor and fluid circulation specialist in the UK.
From its head office, national distribution centre and manufacturing facility in Wolverhampton, Trebles not only distributes pumps nationwide, it also offers unrivalled technical knowledge across all pump types and suppliers.
Supplying the leading brands of Grundfos, Lowara, Wilo, Flamco, Varisco, Dab, Calpeda and Ebara to name just a few, Trebles really can cater for any customer brand specification.
Stocking such a large array of brands, Trebles also offer a wide mix of product types, from domestic heating and water circulation use right up to industrial scale pumping requirements. Any building services requirement, Trebles will be able to cater for.
From circulators to Submersible pumps and everything in-between – Trebles will have the product in its offering.
Not content with just offering its huge distribution abilities, Trebles also operates a service and maintenance department, along with its own in-house manufacturing capability.
In addition to complete pumps and packaged systems Trebles stock a complete range of spare parts, motors, seals, expansion vessels and accessories to complete our equipment offering. Trebles also provide UK wide site support via our team of fully trained service engineers for repairs, emergency call out coverage and planned/preventative maintenance.
Trebles works with clients to design and provide pressurisation, water boosting and packaged plant solutions bespoke to the individual site needs. This is fully supported with 3D CAD drawings, commissioning and maintenance programmes – all managed by the on-site manufacturing department.
What our customers think
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