Can i use this in plastic pushfit heating system

My heating system has plastic tubing in it and I have had no problems.

Can this be used with MC1 already in the system or should that be drained out first.

I would advise that you drain down the system, add Mc3 cleaner and flush the system, drain down again and add new MC1 protector then fill system back up.

once put in how long do you need your heating running for ? ie hours ?? days weeks

My plumber friend told me that you can leave it in for about 4 weeks to make sure it has properly circulated around the heating system. He also suggested using a wooden mallet or rubber hammer to hammer any cold areas on the radiators to remove any sludge that may have stuck there.

Can I just pour this into the rad tank in loft or into magnaclean?

Hi Vinoir Yes, in a gravity fed system you would want to put this into the header tank in the loft space. Please make sure you pour this into the correct tank as it cannot be mixed with drinking water. If it’s a pressurised system you will not have a header tank and in this case I would use the filter.

Adey Ch1 03 01670 Mc3 Cleaner Liquid 500ml

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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Description

♨️ Clean smarter, heat better—because your home deserves the best!

PRECISION DOSAGE - One 500ml bottle treats up to 125 litres or 15 radiators—smart and efficient
TRUSTED LONGEVITY - Comes with a 5-year manufacturer warranty—clean once, benefit for years
LAB TESTED STRENGTH - Backed by rigorous ADEY lab testing for superior cleaning power
ECO CONSCIOUS FORMULA - Biodegradable and unscented, safe for your home and the planet
POWERFUL SYSTEM DETOX - Eradicates sludge, debris, and scale for peak heating efficiency

Adey CH1-03-01670 MC3+ Cleaner Liquid is a high-performance, biodegradable chemical cleaner designed to remove sludge, corrosion, and limescale from sealed and open vented central heating systems. Each 500ml bottle treats up to 125 litres or 15 radiators, restoring heating efficiency with a concentrated formula tested in ADEY's accredited labs. Trusted by professionals and backed by a 5-year warranty, it’s the essential maintenance upgrade for any modern heating system.

Specifications

ASIN	B00OTTRU9C
Best Sellers Rank	224,602 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,691 in Central Heating System Accessories
Brand	Adey
Brand Name	Adey
Contains Liquid Contents?	Yes
Country of Origin	United Kingdom
Customer Reviews	4.5 out of 5 stars 362 Reviews
Global Trade Identification Number	05060106370167
Included Components	MC3+ Cleaner
Item Form	Liquid
Item Type Name	MC3+ Cleaner Liquid 500ml
Item Volume	500 Millilitres
Item form	Liquid
Item volume	500 Millilitres
Manufacturer	Adey
Material Features	Biodegradable
Material feature	Biodegradable
Model Number	CH1-03-01670
Number of Items	2
Part Number	CH1-03-01670
Product Warranty	5 year manufacturer.
Scent	Unscented
Size	250 ml (Pack of 2)
Special Features	Concentrated
Specific Uses For Product	Bottle, Laboratory
Specific uses for product	Bottle, Laboratory
Unit Count	500.0 millilitre

Reviews

T**D

Radiator cleaner

This is a really good product. I’ve noticed an improvement in my heating after one use

16.02.2026

G**E

Does the Job

Provides my annual upkeep of my Heating System ,, Combi Boiler,, with a precautionary clean.

22.08.2021

B**.

Very good quality

Very good service Very good quality 👌

17.02.2026

A**R

Ch cleaners

Brilliant

14.04.2026

R**T

A1 - Item as per Ad - 5***** - Many Thanks

2.11.2025

A**K

Four Stars

Good.

27.11.2017

T**Y

Good product

30.04.2025

S**.

Very happy with this

Worked really well happy I used it a lot of sludge came out of my system after using this done wonders

7.03.2021

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