Clack 1191 head In/Out Head Only with 3/4in BSPM Tails - Comes with Top Screen

The Clack 1191 head is a straightforward manual in/out valve, ideal for downflow filtration or upflow pH correction systems. Its simplicity makes it highly reliable, easy to maintain, and cost-effective. 🔧 Key Features & Specifications Vessel Size: - Fits all 2.5in Vessels Clack 1191 In/Out Head Port Size: 1" BSP Male (adaptable to ¾") Tank Connection: Standard 2.5" threaded neck Riser Pipe Compatibility: 1.05" O.D. riser tube Operation: Manual in/out flow control Function: Designed for non-regenerating filtration systems 💧 Typical Applications This empty vessel can be filled with a variety of filter media to suit your water treatment needs: Granular Activated Carbon (GAC) Removes chlorine, chloramine, taste, odour, VOCs, and organic contaminants pH Neutralisation Media Ideal for acidic water correction in upflow configurations Deionisation (DI) or Softener Resin Suitable for specialist commercial or industrial use 🛠 Maintenance Notes As this system uses a manual in/out head, routine maintenance such as periodic manual backwashing is required to: Prevent media compaction Avoid channelling Maintain optimal filtration performance Unlike automatic Clack WS1 or metered control valves, the 1191 head offers a simple, low-maintenance solution where automation is not necessary. ✔ Why Choose This Vessel? Proven Clack reliability Flexible media options Ideal for carbon filtration and pH correction Cost-effective alternative to automatic control valves Suitable for potable water systems