£17.95

Sentinel Leak Sealer 1L, Seals All Minor leaks and Weeping Joints in Heating Systems, Suitable for All Metals Including Aluminium, Will not Cause blockages in The Heating System

Name: Sentinel Leak Sealer 1L, Seals All Minor leaks and Weeping Joints in Heating Systems, Suitable for All Metals Including Aluminium, Will not Cause blockages in The Heating System
Brand: Sentinel
Price: 17.95 GBP
Availability: InStock

White, LS-12X1L-EXPA

Sealers

About as cheap as it gets. The only time it was cheaper was 2 months ago.

£18 today · all-time low £18 (Mar 2026) · usually the usual

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Price History & Forecast

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Price distribution over 10 days • 2 price levels

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Most common price: £18 (7 days, 70.0%)

Price range: £18 - £19

Price levels: 2 different prices over 10 days

Key Features

Ideal for sealing small leaks or weeping joints on all types of indirect central heating systems

Seals small leaks or weeping joints on all types of indirect central heating systems

Seals all minor leaks

Compatible with other Sentinel products

Suitable for all metals including aluminium

Product Specifications

Brand: Sentinel
Model: LS-12X1L-EXPA
Colour: White
Format: DIY & Tools
ASIN: B00SWTQKDW
Category: DIY & Tools > Hardware > Adhesives & Sealers > Sealers
Domain: Amazon UK
Listed Since: 28 January 2015

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Sentinel Leak Sealer 1L, Seals All Minor leaks and Weeping Joints in Heating Systems, Suitable for All Metals Including Aluminium, Will not Cause blockages in The Heating System

About as cheap as it gets. The only time it was cheaper was 2 months ago.

Price History & Forecast

Price Distribution

Price Analysis

Key Features

Product Specifications

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