Shopping Cart

0

Your shopping bag is empty

Go to the shop

Fernox F3 Cleaner 265ml | Sludge & Scale Remover for Heating Systems

£12.48

Fernox F3 Cleaner (Liquid) 265ml Fernox F3 265ml is a fast-acting, pH-neutral cleaner designed to clear sludge, limescale, and installation debris from central heating systems. It restores efficiency in older systems and prepares new installations in line with BS 7593:2019 by removing flux residues and other contaminants. This smaller bottle...

Dresses Size Chart

Dress Size Chart (Inch)
DRESSES
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 34"-35"
S 2-4 33"-34" 26"-27" 36"-37"
M 6-8 35"-36" 28"-29" 38"-39"
L 10-12 37"-39" 30"-32" 40"-42"
XL 14 40"-42" 33"-35" 43"-45"
Dress Size Chart (cm)
DRESSES
SIZE IN CM
SIZE US / CAN BUST WAIST HIPS
XS 0 78.7-81.2 60.9-63.5 86.3-88.9
S 2-4 83.8-86.3 66-68.5 91.4-93.9
M 6-8 88.9-91.4 71.1-73.6 96.5-99
L 10-12 93.9-99 76.2-81.2 101.6-106.6
XL 14 101.6-106.6 81.2-88.9 109.2-114.3

Swimwear Size Chart

Dress Size Chart (Inch)
SWIMWEAR
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 33"-34"
S 2 33"-34" 26"-27" 35"-37"
M 4 35"-36" 28"-29" 37"-38"
L 6 37"-39" 30"-32" 39"-41"
XL 8 40"-42" 33"-35" 42"-44"

Shoes Size Chart

US EURO UK AUS JAPAN CHINA
5 35-36 3 3.5 21.5 35
5.5 36 3.5 4 22 35.5
6 36-37 4 4.5 22.5 36
6.5 37 4.5 5 23 36.5
7 37-38 5 5.5 23.5 37
7.5 38 5.5 6 24 37.5
8 38-39 6 6.5 24.5 38
8.5 39 6.5 7 25 38.5
9 39-40 7 7.5 25.5 39
9.5 40 7.5 8 26 39.5
10 40-41 8 8.5 26.5 40
11 41-42 9 9.5 27.5 41

Delivery

    All orders shipped with DPD unless otherwise notified.

    Minimum charge of £7.50 charge on all orders pallets charges at rate on the day of purchase.

    All orders are shipped with a DPD tracking number which is why we ask for your email and mobile number.

Returns

    Items returned within 14 days of their original shipment date in same as new condition will be eligible for a full refund or store credit (minus restocking charge).

    Refunds will be charged back to the original form of payment used for purchase.

    Customer is responsible for shipping charges when making returns and shipping/handling fees of original purchase is non-refundable.

    All sale items are final purchases.

Help

Give us a shout if you have any other questions and/or concerns.

Email:

Phone: 0333 577 2455

Ask a Question

Fernox F3 Cleaner (Liquid) 265ml

Fernox F3 265ml is a fast-acting, pH-neutral cleaner designed to clear sludge, limescale, and installation debris from central heating systems. It restores efficiency in older systems and prepares new installations in line with BS 7593:2019 by removing flux residues and other contaminants. This smaller bottle offers the same proven performance with reduced packaging and waste. It treats an average 100-litre system, around 12 radiators, and can be dosed through a TF1 Filter. Suitable for manual flushing, magnetic cleaning, and powerflushing on heavily sludged systems.

Used with Fernox Protector F1, it can help achieve gas savings of up to 15% every time the heating runs.

Key Features
• Universal cleaner for pre-commissioning new systems (BS 7593:2019 compliant)
• Removes sludge, limescale, and installation debris
• Suitable for new and existing systems to improve efficiency
• Safe for all metals and materials, including aluminium
• Treats up to 100 litres, 12 radiators or 190m² UFH
• Smaller bottle reduces packaging waste and environmental impact
• pH-neutral, non-hazardous formulation