Regin Leak Detection Fluid Large 1 Litre Refill REGL12

The Regin Leak Detection Fluid Large 1 Litre Refill REGL12 is a convenient 1000ml refill bottle of leak detection fluid for plumbing, heating and gas installation work. It is ideal for topping up the Regin Leak Shot bottle, helping tradespeople keep their leak detection equipment ready for use without needing to replace the complete bottle. The same quality leak detection fluid is used throughout Regin's leak detection formula range, making this a practical choice for professional engineers carrying out routine leak checks and maintenance.

MacDonald Plumbing Supplies MacChem C100B 500ml Corrosion Inhibitor with Biocide

The MacChem C100B 500ml Corrosion Inhibitor with Biocide is specially formulated to protect low-temperature heating systems such as underfloor heating from corrosion and microbial growth. Offering exceptional value for money, it outperforms more expensive brands while delivering reliable, long-lasting system protection. By preventing rust, limescale, and sludge, it improves heat transfer efficiency and extends system life, helping you reduce energy bills and costly repairs.  

MacDonald Plumbing Supplies MacChem C300 500ml Central Heating System Cleanser

The MacChem C300 Central Heating System Cleanser offers a powerful, cost-effective solution to maintain and restore your heating system. This 500ml formula is as effective as branded alternatives but at half the price. Designed to remove sludge, scale, and debris, it boosts efficiency, extends the lifespan of your system, and ensures optimal performance.

Regin Central Heating Inhibitor 500ml REGL40

The Regin Central Heating Inhibitor (500ml). One bottle treats up to 10 radiators. For use in accordance with BS7593:2006. Prevents corrosion and limescale Suitable for Mixed Metals Systems. Build cert Approved. Filling kit available (REGL45).