- Bathrooms
- Shower Pumps
- Grundfos Amazon STN Brass Twin Impeller Negative Head Shower Pump
Grundfos Amazon STN Brass Twin Impeller Negative Head Shower Pump 4.0 bar
by GrundfosProduct code: 94452
Grundfos Amazon STN Brass Twin Impeller Negative Head Shower Pump 4.0 bar
by GrundfosProduct code: 94452
Related products
Product details
Continuously rated as a regenerative pump, it's well equipped to overcome air pockets and is a perfect choice when the plumbing route includes multiple bends or elbows. Supplied with a flexible stainless steel connection hose, the pump also features anti-vibration feet and long-life silicon carbide seals - this keeps the operating noise to a minimum.
• Boosts both hot and cold water to a single shower
• Can be used for multiple outlets around the house
• Brass impellers and pump housing for durability
• Regenerative impeller design to overcome air pockets
• Low noise - quiet induction motor and minimal turbulence pump head
• Built-in thermal protection - motor stops if it overheats
• Long-life carbide seals for added reliability
• 22mm push-fit connections for inlet and outlet
• Stainless steel flexible connection hose
• Anti-vibration feet for minimum operating noise
• Suitable for both positive and negative head systems
• Continuously rated and WRAS-approved
Reviews★★★★★ ★★★★★
Technical specification
| Material | Brass |
| Type | Shower Pump |
| Max. Hot Water Temp | 60°C |
| Brand | Grundfos |
| Manufacturer ID | 96788176 |
| Warranty (years) | 1 year |
| Energy class | N/A |
| Range Name | Amazon |
| WRAS approved | WRAS |
| Colour | Black |
| Height (mm) | 283mm |
| Length (mm) | 284mm |
| Width (mm) | 225mm |
| IP Rating | IPX2 |
| Suitable For | Domestic, commercial and light industrial applications |
| Sound volume | 70dB |
| Pack contents | 1 x Amazon twin shower pump, 22mm hoses |
| Pack Size | 1 |
| Colour Family | Black |
| Max. Flow Rate | 50 L/min |
| Connection Size | 3/4'' |
| Fixings Supplied | Yes |
| Impeller Type | Twin |
| Min. Flow Rate | 0.5 l/min |
| Pump head type | Positive and Negative |
| Pump Type | Regenerative |
| Connection Type | Push Fit |
| Maximum Temperature | 60°C |
| Max. pressure (bar) | 4 bar |
| Weight (Kg) | 12.2KG |
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Delivery details
Delivery (UK mainland only)
Next Day: £5, or FREE over £40
- Order by 9pm Mon-Thu: next working day
- Order Fri to 5pm Sun: Monday
- Order after 5pm Sun: Tuesday
Pre-12pm: £10
- Same cut-offs as Next Day above
Saturday & Sunday: £10, or £5 over £40, or FREE over £75
- Saturday: order by 6pm Fri
- Sunday: order by 4pm Sat
Heavy items (over 30kg)
- Mon-Fri only. Order by 6pm and allow up to two working days
- Order after 6pm Thu: arrives after the weekend
Supplier items
- Sent directly by the supplier, so timings vary. Lead times appear on the product page in working days (Mon-Fri)
Collection details
Next Business Day Collection (eligible items)
- Order by 9pm Mon-Thu: collect next day
- Order after 9pm Thu to 5pm Sun: collect Monday
- Heavy items (over 30kg): allow up to two working days
Opening hours
- Weekdays vary by branch: open 6:30am-7am, close 6pm-8pm
- Saturday: 7am-6pm
- Sunday: 9am-4pm
Check your local store's hours and that it's open before visiting. Please wait for our text or email before collecting.
Holding your order
We'll hold it for 14 days, then automatically refund your original payment method.
Pack size: Each
Selected:
7 Available for delivery. Order before 9pm to receive your item next business day.
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