Watts 0125361 Repair Kit

The Watts 0125361 Repair Kit (also identified as LF26A-RK or 0864939) is the field-ready solution for maintaining Watts Series 26A and 263A small pressure regulators. As a veteran in the field, you know that consistent pressure regulation is critical for applications like beverage dispensing, ice machines, and humidifiers. This genuine Watts OEM part ensures your 1/8 to 1/2-inch regulators maintain their original performance profile without requiring a full valve replacement. This specific lead-free repair kit is functionally identical to 263AP-PRK and provides the essential components to restore the seal and response of LF26A and SS263 models, as well as the LFRK-26A series.

Every Watts 1/8 to 1/2 inch regulator kit comes packed with professional-grade internals designed for long-term compatibility with water and No. 2 fuel oil systems. The reinforced Buna-N diaphragm provides the necessary resilience against pressure fluctuations, while the included inner valve assembly and poppet spring address the most common failure points in compact water regulators. For technicians working with deionized or high-purity water systems, using this 0125361 genuine replacement ensures the rugged brass or stainless steel body of the regulator continues to operate at its maximum 300 PSI rating without leakage or creep.

• Contains a reinforced Buna-N diaphragm for precise pressure modulation and durability.
• Includes the inner valve assembly, poppet spring, bottom plug gasket, and O-ring for a complete rebuild.
• Fully compatible with Watts Series LF26A, 263A, and SS263 regulator models.
• Direct lead-free replacement for legacy part numbers 0864939 and 263AP-PRK.
• Engineered for high-volume beverage dispensing and HVACR humidifier applications.

Will this kit work for both Lead-Free and older brass series?
Yes, the 0125361 is the current universal lead-free standard. The internal components are functionally backwards-compatible with the non-LF 26A-263A valve bodies, allowing you to upgrade older installations to current compliance standards during maintenance.

Are special tools required for this regulator rebuild?
No, these Watts repair kits are designed for straightforward field service. Standard wrenches are typically all that is needed to access the diaphragm and poppet assemblies via the tee handle adjustment and bottom plug.

What is the primary cause of pressure creep in these regulators?
Usually, it is debris on the inner valve seat or a fatigued poppet spring. Replacing the internals with this genuine Watts parts kit restores the oversized orifice sealing surface, which is critical for preventing downstream pressure spikes.

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.