Wasp Twin Shower Pump 1.5 bar

By Grundfos Watermill Product code: 18289 Pack size: Each

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Product Details

• Positive head centrifugal pump, suitable for gravity fed systems
• Anti-vibration feet keep the operating noise to a minimum
Supplied complete with quality braided stainless steel connection hoses, mains power cable and inlet filters.

Technical Specification
Brand Grundfos Watermill
Colour by dominance Stainless Steel
WRAS approved
Manufacture ID AP092Wasp 46
Max Pressure 1.5
Pump Head Type Positive
Pump Type Regenerative
Impeller Type Twin
Delivery details

Covid-19 Update

  • Free Next Business Day delivery for orders over £25 to home and site is available for orders placed before 5pm
  • Saturday and Sunday delivery is now available for orders placed before 4pm on Friday for Saturday delivery and 4pm Saturday for Sunday delivery, see here for details
  • We have temporarily suspended our Pre-12 delivery service
  • Once your order has been dispatched you will receive an invoice email with the courier details and your tracking number
  • Alternatively go to MyAccount, click on your Order History, click on the TRACK icon to link through to the carrier website and the tracking details for your delivery
  • If your order contains more than one item it may be split into two deliveries as we manage volume across our network
  • Due to carrier constraints it is not currently possible to deliver age restricted items. Please use our Click & Collect service for these products
  • Delivery direct from suppliers is now available and specific delivery times will be displayed on the product page
Order Value: Under £25 Over £25 but less than £75 £75 & Over
Next Business Day Delivery (Mon-Fri) usually before 6pm £5 Free Free
Pre-12 Delivery before 12 noon Next Business Day £10 £5 £5
Remote areas standard delivery (2-4 days) £5 Free Free
Saturday Delivery order by 4pm Friday £10 £5 Free
Sunday Delivery order by 4pm Saturday £10 £5 Free

Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details

Covid 19 Update

Click & Collect

  • Branches are now fully open and operating safely in line with government guidelines
  • Safe contactless collection is available 7 days a week at our branches
  • Our branches are open 7am-8pm Monday-Friday, 7am-7pm Saturday and 9-4pm Sunday
  • Keeping our colleagues and customers safe and well and respecting stringent social distancing requirements is our number one priority – 2 metre rule enforced
  • Our available product range will not require more than 1 person to lift
  • Please see our guide to click and collect below

  • Please ensure that your mobile number is added so that we can text you when your order is ready to collect

Call & Collect

Due to current trading conditions we have suspended our Call & Collect service until further notice.

If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 5 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 7pm Mon-Fri (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Wasp Twin Shower Pump 1.5 bar is rated 3.9 out of 5 by 35.
Rated 3 out of 5 by from Watermill Wasp 50 1.5bar I purchased this to replace my older watermill pump which had given up the ghost but alas when I had it fitted it worked well on hot water pressure but the cold side was not operating correctly I have contact Grundfos and their customer service are dealing with the matter if their actions are as good as their words I look forward to having a greta product for another ten years that how long the old one lasted
Date published: 2020-06-29
Rated 5 out of 5 by from Great service Item I ordered online was ready for collection within 5 minutes of placing the order. When I arrived at your depot it was waiting for me to collect
Date published: 2020-04-20
Rated 5 out of 5 by from Great service - very good pump So pleased with this product - exactly what my customer wanted
Date published: 2019-11-10
Rated 3 out of 5 by from Wasp twin shower pump I recently replaced a Watermill Wasp pump after 10 years of use with this unit. So far I have found the pump very noisy on starting and water flow is poor. After a few minutes it does settle down, but it is definitely not as good as its previous version.
Date published: 2019-09-19
Rated 4 out of 5 by from Great pump Good all-rounder. Affordable, easy to install and great in use
Date published: 2019-09-10
Rated 2 out of 5 by from What you get these days I have had it about 4 years and it first started making a grinding noise when you turned it off - now it has developed a substantial leak from the PLASTIC end housing onto which is connected the brass house plumbing - Why plastic end housing? Cheap to manufacture! But with heat and cooling constantly it fails sooner than I would have liked- so OK if you don't mind buying and fitting another one in 4 years or so . By then of course they will probably have changed the positions of the inlets and outlets to add to your problem.
Date published: 2019-08-14
Rated 4 out of 5 by from Good Service Original item broke down after about 10 years service, needed this in a hurry. Ordered replacement and collected locally on same day. Drop in replacement. Great.
Date published: 2019-06-19
Rated 4 out of 5 by from replaced with old one - 7 years life! Well, like folks say it is a bit noisy - but it does a good job. Its meant to be fed by tank/cylinder and not mains pressure for cold OR hot feeds. Unfortunately my cold feed is mains pressure - just off the stop cock. However the hot is from a cylinder. It does work this way. My old pump (same model) lasted 7 years before getting a pin hole leak in the plastic housing of the pump.. i'm ok with that
Date published: 2019-06-15
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