Description
The Laars Heating Systems RA2138701 is a 75 PSI Pressure Relief Valve (PRV) engineered to provide dependable overpressure protection for Laars boilers and hydronic heating systems. As an OEM-sourced component, this PRV is designed to meet the precise performance and safety standards required by Laars equipment, ensuring a proper fit and long-lasting reliability.
Product Overview
Pressure relief valves are a critical safety component in any closed-loop hydronic heating system. When system pressure exceeds the rated set point, the PRV automatically opens to discharge excess pressure, protecting the boiler, piping, and connected components from damage. The RA2138701 is factory-set at 75 PSI, making it suitable for residential and light commercial boiler applications where this pressure rating is specified.
Key Features
- OEM Laars Heating Systems replacement PRV
- Factory set at 75 PSI relief pressure
- Designed for compatibility with Laars boiler and hydronic heating systems
- Automatic pressure discharge to protect system integrity
- Durable construction for long service life in demanding hydronic environments
- Direct OEM replacement for simplified installation
Application
- Laars boilers and hydronic heating systems requiring a 75 PSI PRV
- Residential and light commercial closed-loop hydronic heating installations
- Replacement of worn, failed, or non-compliant pressure relief valves
Why Choose an OEM PRV?
Using a genuine Laars OEM pressure relief valve ensures the correct set pressure, connection size, and flow capacity for your specific equipment. Non-OEM substitutes may not meet the original equipment specifications, potentially voiding warranties or compromising system safety. Always verify the PRV set pressure matches your system’s design requirements before installation.







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