Sensus 121-42-598-00 Repair Kit

Ensuring peak performance for industrial combustion systems requires high-quality components designed for the field. The Sensus 121-42-598-00 Repair Kit is specifically engineered to rebuild and maintain the Sensus 122-12 gas pressure regulator, a staple in high-capacity commercial and industrial applications like burners, boilers, and furnaces. This comprehensive service kit includes critical wear components, such as Buna-N diaphragms, precision-molded valve seats, O-rings, and specialized Tetraseals, to resolve issues with lockup and pressure regulation drift. By replacing aged internals, technicians can restore the industrial combustion gas regulator to its original specifications, ensuring accurate pressure control even with snap-acting loads. Designed for durability in natural gas and propane applications, these OEM Sensus regulator parts provide the tight shutoff and fast response times necessary for precise fuel-air mixing in demanding boiler rooms and manufacturing environments.

• Complete Maintenance Solution: Includes all necessary Sensus replacement gaskets and seals required for a full teardown and rebuild of the 122-12 model.
• Chemical Resistance: Features high-grade Buna-N components suitable for natural gas, LPG, and other non-corrosive technical gases.
• Optimized Performance: Restores the fast speed of response and positive dead-end lockup required for industrial gas engines and kilns.
• Precision Fit: Genuine OEM components ensure compatibility with the die-cast diaphragm cases and cast iron bodies of the 121/122 series.

• How do I know if my 122-12 regulator needs a rebuild? If you observe gas leakage from the vent, an inability to maintain set-point pressure, or a failure to achieve full lockup during low-load periods, the internal diaphragms and valve seats likely require replacement.
• Does this kit work for both internal and external control models? The 121-42-598-00 is designed for the 122-12 series, specifically addressing the seals and seating mechanisms common to these high-capacity industrial units.
• Can this kit be used for buried service regulators? These kits are intended for above-ground or vault installations; Sensus 122 regulators are not recommended for direct earth burial.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.