Megaflo Multibloc MK2 95605817 Control Valve Kit Cold Water Combination Valve for Unvented Hot Water Cylinders
Megaflo Multibloc MK2 95605817 Control Valve Kit provides pressure regulation, backflow protection, and a 22mm balanced cold feed—engineered for unvented hot water cylinders.
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- Estimated Delivery: For most items (over 99% of our products), orders placed before 3pm on working days will be dispatched the same day with our Fast DELIVERY 1st class service. For the rare items not immediately in stock, dispatch may take 1-3 working days after receiving your order. If your order cannot be dispatched the same day, we will notify you via email.
- For boilers: We aim to dispatch on the next working day. However, in some cases, it may take 2-3 working days to dispatch. Rest assured, we will always strive for the fastest possible turnaround.
Protect your unvented hot water system with the Megaflo Multibloc MK2 95605817 Control Valve Kit, a fully integrated cold water combination valve designed to regulate pressure and prevent backflow. This factory-tested component is compatible with Heatrae Sadia Megaflo cylinders and meets all installation and safety requirements for domestic pressurized systems.
The kit includes a 3-bar pressure reducer and strainer to maintain inlet pressure and protect against debris, an 8-bar expansion relief valve with integrated check valve, and a 22mm balanced cold water port—ensuring consistent and safe operation of your cylinder.
This OEM-certified valve block (Verified Component: 218-388-0020) is the direct-fit replacement for internal air gap Megaflo systems and helps maintain long-term performance, system integrity, and building regulation compliance.
Key Features
• 3-Bar Pressure Reducer and Strainer – Controls inlet water pressure and filters out impurities
• 8-Bar Expansion Relief and Check Valve – Prevents backflow and releases excess pressure
• 22mm Balance Port – Maintains equal water pressure between hot and cold supplies
• Verified OEM Component – Genuine part designed for Megaflo by Heatrae Sadia
• Compact and Durable Design – Fits easily into existing Megaflo installations
Applications
• Megaflo Cylinder Repairs – Replace faulty or leaking control valve assemblies
• New Cylinder Installations – Meet building code and manufacturer safety standards
• Unvented Hot Water Systems – Ensure pressure balance and flow protection
Technical Specifications:
| Feature | Details |
|---|---|
| Brand | Megaflo |
| Product Code | 95605817 |
| Compatible Models | Heatrae Sadia Megaflo Internal Air Gap Cylinders, Heatrae Sadia Megaflo Cylinders |
| Weight | 1 kg |
| Included Components | 3-Bar Pressure Reducer and Strainer, 8-Bar Expansion Relief and Check Valve, 22mm Balance Port |
| EAN | 655390522139 |
| Verified Component | 218-388-0020 |
Angled Isolating Valve CP 15mm x 15mm BLA15 
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