Description
Sensus Gas Division 121-8-1 Replacement Regulator Spring Overview
The Sensus Gas Division 121-8-1 is a precision-engineered replacement spring designed for use with 1″ Sensus gas pressure regulators. Rated for a spring range of 2 to 4.25 lbs, this component is essential for maintaining accurate outlet pressure control in residential and light commercial gas distribution systems. Using genuine Sensus replacement parts ensures your regulator continues to perform to original factory specifications, protecting system integrity and gas flow accuracy.
Key Features
- Genuine Sensus Gas Division replacement spring
- Designed for 1″ gas pressure regulators
- Spring range: 2–4.25 lbs for precise outlet pressure setting
- Restores original factory performance and pressure control
- Ideal for scheduled maintenance or field repair of Sensus regulators
- Compact, drop-in replacement for fast, efficient service calls
Application
This spring is intended for use in Sensus gas pressure regulator assemblies where the outlet pressure spring requires replacement due to wear, fatigue, or damage. Proper spring selection is critical to maintaining safe and accurate gas pressure regulation in natural gas and LP distribution applications.
Specifications
- SKU: 121-8-1
- Brand: Sensus Gas Division
- Connection Size: 1″
- Spring Pressure Range: 2–4.25 lbs
- Component Type: Replacement Regulator Spring







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