Zep Commercial Liquid Heat Drain Unblocker 1L

By Zep Product code: 99444 Pack size: Each

Please note: We are unable to sell or deliver this item to anyone under the age of 18. An age verification process provided by our third party partners ‘Verify My Age’ is in place to check all orders. Physical proof of age may also be required at point of delivery.

Product Details

Blocked pipes causing you problems? Get them cleared quickly and efficiently with this heavy-duty drain unblocker liquid from Zep. Use it to melt away substances like grease, fat and food from pipes. Because it's so good at removing organic material, it's particularly good at shifting blockages in kitchen sinks.

This formulation is extremely strong, yet it's safe to use with all types of pipes and septic systems including plastic conduits. It works very fast, and will generally shift clogs in about an hour, but you can leave it overnight if you're facing a really stubborn blockage. Use hot water to flush away the debris after the problem has cleared, and then repeat if you need to.

• Powerful formula dissolves grease, fat and food build-ups

• Fast-acting performance to quickly clear your kitchen sink blockages

• Safe for use with plastic pipes and septic systems too

• Not suitable for use in toilets or waste disposals

• Don't use for blockages when trying to shift hair

• Must not be mixed with other chemicals

Technical Specification
Brand Zep
Unavailable offshore
Age restricted (18)
Manufacturer ID 0001ZCLQHEATOOL6
Safety Data Sheet click here
Type Unblocker
Volume (L) 1
Delivery details

DELIVERY OPTIONS (UK mainland only)

Next Day Delivery – £5.00 or FREE for orders over £25

  • Order before 7pm Monday to Thursday for next business day delivery
  • Order Friday to Sunday before 5pm for Monday delivery
  • Orders placed after Sunday at 5pm will be delivered the following Tuesday

Pre-12pm Delivery – £10.00 or £5.00 for orders over £25, to arrive before 12pm on the scheduled days above

Saturday Delivery – £10.00 or £5.00 for orders over £25 & FREE for orders over £75 (order by 6pm Friday)

Sunday delivery – £10.00 or £5.00 for orders over £25 & FREE for orders over £75 (order by 4pm Saturday)

Times may vary for items being delivered directly from the supplier. For more information, please visit our delivery information page below.

Items over 30kg can only be delivered from Monday to Friday. If ordered before 6pm, please allow up to two business days for delivery. Orders placed after 6pm Thursday will be delivered after the weekend.

More about Delivery
Click & Collect details

Collection Details

Our opening times are 7am-8pm Monday-Friday, 7am-7pm Saturday and 9-4pm Sunday. Please check your local branch is open on the branch locator page, before you visit.

Once you have placed your order online, we’ll have it ready for you at the branch you have selected in as little as 5 minutes. We will hold your order for 14 days, after which we will automatically generate a refund to the payment type you used to place the order.

Don’t forget your mobile number – Make sure your mobile number is added so that we can text you when your order is ready to collect. Please wait for your text or email before coming to collect your items.

If an item is eligible for Next Business Day Collection in branch, the order must be placed by 7pm Monday to Thursday for collection the next day. Orders placed after 7pm on Thursday, and up to 5pm on Sunday, will be available for collection on Monday. For larger items over 30kg, please allow two business days.

Zep Commercial Liquid Heat Drain Unblocker 1L is rated 4.5 out of 5 by 214.
Rated 5 out of 5 by from Zep Liquid Heat Certainly helped to unblock a troublesome drain, used half the contents first then other half poured down last thing at night, so far all ok with the drain!
Date published: 2022-04-24
Rated 5 out of 5 by from This one works! This one works! Enough for two treatments.
Date published: 2022-04-06
Rated 5 out of 5 by from It worked fine Used it to unblock a 2" plastic sink drainage pipe
Date published: 2022-04-02
Rated 3 out of 5 by from May need to use all in one go Had to use the whole bottle and leave overnight but it did the job
Date published: 2022-04-02
Rated 5 out of 5 by from Fast drain clear Did the job in a very short time. easy to use, but follow instructions carefully.
Date published: 2022-03-29
Rated 5 out of 5 by from Kitchen drain blockage cleared Blocked drain from kitchen sink. Used the contents of the bottle in two applications as recommended and it worked perfectly. Excellent product.
Date published: 2022-03-26
Rated 5 out of 5 by from Drain unblocker. I have used other drain unblockers with disappointing results, however I have now used Zep on two occasions and both times it has cleared the drains without a problem.
Date published: 2022-03-25
Rated 4 out of 5 by from Seems to have worked, don't know how well Took the u-bend off the sink and cleaned it manually, then poured a whole bottle down the open pipe. Left it for 24 hours, then poured boiling water down the hole. It appears to have cleared the blockage, although its impossible to tell how thoroughly. it's a lot more expensive than the stuff you can buy in a supermarket, I just hope it stays clear.
Date published: 2022-03-22
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