Delivered by Skilled Engineers You Can Trust
At The Rainwater Guy, we offer expert installation and commissioning services exclusively for Graf sewage treatment systems. Our goal is to ensure every system is installed correctly, operates efficiently, and meets all manufacturer and environmental standards from day one.
While many contractors are well-versed in groundwork and drainage, the technical setup and final commissioning of treatment systems can require specialist expertise. Our qualified engineers bring the knowledge and precision needed to protect your investment, ensure compliance, and maintain warranty coverage.
Why Use a Specialist Engineer?
Choosing an experienced professional ensures:
- Full compliance with manufacturer installation guidelines
- Proper calibration and performance optimisation
- Safe and efficient operation from the start
- Issuance of a commissioning certificate for your records
- Peace of mind and warranty protection
Installation Support Options
We offer three tailored levels of service to match the needs of your project—from advisory support to full system integration.
Installation Support Options
We offer three tailored levels of service to match the needs of your project—from advisory support to full system integration.
Already Installed? We Also Offer Standalone Commissioning
If your system is already in place, we can provide a commissioning-only service that includes:
- A full compliance inspection
- Operational testing and system fine-tuning
- Issuance of a valid Commissioning and Warranty Certificate
Optional Maintenance Quote Included
All installation packages include a no-obligation quote for ongoing maintenance, aligned with manufacturer's recommendations. Clients who opt into an annual plan may benefit from extended warranty coverage, up to three years, depending on the system’s size and type.
Custom Solutions Available
Have a unique setup or special requirements? We’ll tailor a service package around your project after consultation with one of our senior engineers.
Commercial & Development Projects
Our installation and commissioning services can be scaled for commercial facilities and housing developments. Whether you're managing multiple installations across a new build site or investing in a high-capacity treatment system, we ensure each unit is installed consistently and to spec. We’ll liaise directly with your site teams, streamline coordination, and help ensure your systems are handed over in full working order.
Contact Us Today
Whether you’re starting a new install or need professional commissioning for an existing system, we’re here to help.
Get in touch to discuss your needs, view package options, or receive a tailored quote.
