Description
Maxitrol RV81-1212-ES03 Replacement Regulator Spring Overview
The Maxitrol RV81-1212-ES03 is a precision-engineered replacement spring designed for use with Maxitrol gas pressure regulators operating on a 1 PSI inlet supply. This spring sets the outlet pressure range at 4–12″ water column (WC), making it ideal for residential and light commercial gas appliance applications that require accurate, stable downstream pressure control.
As a genuine Maxitrol replacement component, the RV81-1212-ES03 ensures your regulator performs to original factory specifications. Swapping out a worn or incorrect spring is a fast, cost-effective way to restore proper gas pressure regulation without replacing the entire regulator assembly.
Key Features
- Outlet pressure range: 4–12″ water column (WC)
- Designed for 1 PSI inlet gas regulators
- Genuine Maxitrol OEM replacement spring
- Restores factory-specified pressure regulation performance
- Compatible with Maxitrol Series RV81 gas pressure regulators
- Supports precise, stable downstream gas pressure control
- Suitable for natural gas and LP gas regulator applications
Application
This replacement spring is intended for use in gas pressure regulator servicing and maintenance. It is well-suited for HVAC technicians, gas fitters, and plumbers performing field repairs or calibration adjustments on Maxitrol RV81 series regulators. Proper spring selection is critical to achieving the correct outlet pressure for connected gas appliances.
Why Choose Maxitrol
Maxitrol is a trusted name in gas pressure regulation, with decades of experience manufacturing reliable controls for residential, commercial, and industrial gas systems. Genuine Maxitrol replacement parts ensure compatibility, safety, and long-term performance in demanding gas control applications.







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