Overview
The Sloan A-36-A is a pre-assembled drop-in diaphragm repair kit designed for old-style Sloan Regal manual flush valve closets. The diaphragm kit sits directly below the inside cover in the top of a flush valve and is rated for 4.5 GPF applications. This kit replaces broken or worn diaphragm-type assemblies and parts within a flush valve to help restore proper flushing and sealing.
Key Features
- Pre-assembled drop-in design for quick installation
- Includes relief valve, disc, segment diaphragm, and guide assembly
- Regulates the pressure within a flush valve and controls the volume of the flush when the handle is pulled
- Used for routine maintenance and repair of tankless-toilet flush valves commonly found in high-use public, commercial, and institutional restrooms
- Addresses common flushometer malfunctions caused by worn or warped diaphragms that either stick in place or fail to seal
Technical Specifications
- Manufacturer: Sloan Valve Company
- Model Number: A-36-A
- Sloan Code Number: 3301036
- Flush Rating: 4.5 GPF (16.9 L per flush)
- Application: Manual closet (toilet) flushometers
- Valve Type: Diaphragm-type
- Kit Components: Relief valve, diaphragm, molded disc, guide assembly, coupling nut
- Design Type: Drop-in segment diaphragm
- Compatible Series: Sloan Regal (pre-1964 models)
Typical Applications
This kit is used for routine maintenance and repair of tankless-toilet flush valves commonly found in high-use (more than 30 flushes per day) public, commercial, and institutional restrooms. The Sloan A-36-A is tailored for closet flushometers in environments requiring a higher volume per flush, such as older public facilities, schools, and industrial sites. Signs that a flushometer may need repair include leaking from the valve, water splashing from the bowl during flushing, and toilets that keep running.
Compatibility & Replacements
Compatible With
- Sloan Regal manual closet flushometers (pre-1964 models)
- Diaphragm-type flush valve systems
- 4.5 GPF toilet applications
- Manual handle-operated flushometers
Replaces / Drop-In Replacement For
- Worn or damaged Sloan A-36-A diaphragm assemblies
- Original Sloan Regal model diaphragm kits rated 4.5 GPF
Works With
- Sloan Regal series manual flush valves
- Diaphragm-regulated pressure control systems
- Standard facility restroom plumbing installations












