Priority Building Supplies
Big brands, low prices

Sentinel Electrolytic Scale Inhibitor 15mm

Double Deal! Price drops across all Worcester Boilers, plus get a Scale Reducer FREE!

We've lowered prices across all Worcester Boilers and you'll also get a Sentinel Electrolytic Scale Inhibitor worth £32.99 for FREE. Just remember to add it to your basket when you buy any Worcester Boiler.

Hurry! We have limited stock of these Worcester Boilers. See Terms.

£36.65 inc VAT £30.54 ex VAT
This item cannot be delivered
Collect in store next day from 12pm
On orders placed before 7:00 PM

The revolutionary Sentinel Electrolytic Scale Inhibitor 15mm effectively protects your hot water system from limescale build up.

Limescale can cause untold damage to your heating system, including problems such as the system running less effectively, increasing the likelihood of a serious breakdown, shortening its lifespan, and impairing it's efficiency to provide the level of  heat you need.

WRAS approved and supplied complete with a 5-year guarantee, you can rest assured that this scale inhibitor will perform safely and effectively for years to come. This cost effective solution to limescale build up can save you up to £130 on an average energy bill.

Features And Benefits
  • Protects against limescale encrustation
  • WRAS approved with 5 year guarantee
  • Performance proven by independent studies
  • Available in 15mm and 22mm
  • Compliance Guide to Part L1 of the Building Regulations
Product Name Sentinel Electrolytic Scale Inhibitor 15mm
Brand Sentinel
Product Weight 0.35 kg
Product Length 195.0 mm
Product Depth 35.0 mm
Product Type Scale Inhibitor
Manufacturer Name Sentinel
Manufacturer Part Number SESI15
Warranty Period 5 Years
  • Metal
EAN 5011282050015
Deliveries are temporarily unavailable!

Currently home deliveries are not available through our website. You can easily order online for Click & Collect at your nearest Priority Building Supplies store. We’re working on getting deliveries online again very soon!

Customer Service Availability
Our customer service team are available
Mon-Fri: 8am - 6pm
Saturday: 9am - 12pm
Sunday and Bank Holidays: Closed
Can I still order if my item is not in stock?
If there are any issues with the goods you order, for example: If you have ordered more of a product than we have in stock, we will contact you within one working day to discuss the options.
When does my order get processed?
A working day is defined as Monday-Friday. Please note that weekends, bank and public holidays are excluded.
Orders placed after 1pm are likely to be processed the next working day; availability will therefore be two working days after the order is placed in this instance. For example, an order placed after 1pm on a Friday will be available on the following Tuesday.
Can I cancel my order?
You can cancel your order before dispatch by contacting our customer service team on 0800 197 7170. Items should be unused, in a saleable condition, with their original packaging and with all component parts and any promotional items enclosed.
Statutory rights
Your statutory rights are not affected by this guidance.