- Home Delivery Order by 7pm (4pm Bank Holidays) for next day delivery. Due to the Bank Holiday, orders placed Sunday 27th May will be delivered Tuesday 29th May.
- Click & Collect 1 hour Click & Collect - Select store
- 45 day returns policy. Read our returns policy
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- Suitable for Combination and Gravity fed systems
- Fitting instructions included
- Against any manufacturing fault. The guarantee is only valid if the product has been installed and used in accordance with the manufacturers instructions
Features and Benefits
- The P-SI 15 is a polyphosphate dosing system for the control of hard water scale and soft water corrosion within combination boilers and other hot water systems
- Offers protection from both limescale and corrosion
- Suitable for whole house or single appliance protection
- Cartridges have a 12 month life
|Operating pressure (bar)||Max 10bar|
|Comes with||All fittings for easy installation|
Help & Advice
How to guides
Pipes and fittings vary by home and by length, shapes and connectors. Thankfully, this is no longer a problem and there are lots of different solutions to make your pipework secure and reduce the risk of leaks.
Choose a convenient delivery date on 1000s of products
45 day returns policy
Arrange collection or return to store.Customer support team - 0333 014 3357
Free delivery on standard orders over £50
Excludes Large and Bulk delivery
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