Description
The Laars Heating Systems RTXD7109 Neotherm Module Replace Kit is a genuine OEM replacement designed to restore full functionality to your Laars Neotherm boiler system. When your existing control module shows signs of failure or degraded performance, this factory-authorized kit provides a direct, reliable solution — eliminating the guesswork of aftermarket alternatives and ensuring your system operates to original manufacturer specifications.
Why Choose the RTXD7109 Module Replace Kit?
Laars Heating Systems is a trusted name in hydronic heating, and the Neotherm series is engineered for efficiency and longevity. This replacement module kit is purpose-built to match the original component, making installation straightforward for qualified HVAC technicians and boiler service professionals.
Key Features
- Genuine Laars OEM replacement module kit for Neotherm boilers
- Direct drop-in replacement — no modification required
- Restores original boiler control performance and reliability
- Engineered to factory specifications for seamless compatibility
- Ideal for service, maintenance, and retrofit applications
- Supports long-term system uptime and efficiency
Application
The RTXD7109 is designed for use with compatible Laars Neotherm boiler models. Always verify compatibility with your specific boiler model and serial number before installation. Installation should be performed by a licensed HVAC or plumbing professional in accordance with all applicable local codes and manufacturer guidelines.
About Laars Heating Systems
Laars Heating Systems has been a leader in hydronic heating solutions for decades, offering a comprehensive range of boilers and water heaters engineered for residential and commercial applications. Their commitment to quality and innovation makes Laars a go-to brand for HVAC professionals nationwide.







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