Grundfos Home Booster
GRUNDFOS MAX-E BOOST 5.0 BAR PRESSURE BOOSTER PUMP SET 240V 98536448
- Established 1975
- Trusted by thousands of customers
Grundfos Max-E Boost 5 bar – 98536448
The Max-E Boost uses the latest variable speed pump motor technology, to maintain a constant discharge pressure up to a maximum setting of 4.5 bar (factory setting 3 bar). The speed controlled operation of the Grundfos CRIE 5-5 helps eliminate pipe work noise caused by water hammer, normally associated with standard on/off controlled pumps The pump is quiet in operation and its compact size make it suitable for installation in a utility room or garage, or a frost protected outdoor enclosure.
The Max-E Boost can be connected to any standard Water Byelaw approved cold water storage tank having an AB Air Gap of adequate capacity to suit the water consumption of the installation.
The Max-E Boost is intended to supply boosted cold water from a water storage tank to a pressurised hot and cold water system at a constant outlet pressure.
More about this product
The Grundfos Max-E Boost is a single pump packaged cold water booster set, which uses the latest variable speed E-pump motor technology, to maintain a constant discharge pressure up to a maximum setting of 4.5bar. The speed controlled operation of the Grundfos CRIE 5-8 helps eliminate pipe work noise caused by water hammer, normally associated with standard on/off controlled fixed speed pumps. The Max-E Boost is quiet in operation and its compact size make it suitable for installation in a utility room or garage, or a frost protected outdoor enclosure.
The WRAS approved CRIE 5-8 stainless steel vertical multistage pump is factory commissioned to deliver a constant 3 bar pressure at flow rates up to 1.9 l/s.
Application
The Grundfos Max-E Boost has been designed as a compact and cost effective solution for pressure boosting in large domestic properties with two or more standard bathrooms.
The Max-E Boost can be connected to any standard Water Byelaw approved cold water storage tank having an AB Air Gap of adequate capacity to suit the water consumption of the installation.
Features and Benefits
- Packaged booster set with integral controls
- Variable speed operation for constant pressure
- Factory commissioned to 3 bar, capacity 1.9 l/s
- WRAS approved pump and pressure vessel
- Control panel with indicator lights
- Single phase supply
- Supplied with anti vibration mountings
- Supplied with low level float switch
-
data sheet PDFDownload
-
manual PDFDownload
Standard delivery:
Standard delivery is free on most orders. Some items may incur a delivery charge depending on weight, size or value. Any applicable charge will be displayed at checkout.
Deliveries will typically be made between 7am and 6pm, Monday to Friday (excluding public holidays).
Next day delivery:
Next working day delivery is available for a £16.50 + VAT delivery charge.
Orders must be placed before 12 noon to qualify for next working day delivery. Orders placed after 12 noon on Thursday but before noon on Friday will be delivered the following Monday. Orders placed after 12 noon on Friday will be delivered on Tuesday.
Pallet/Large/Difficult items:
Some large, heavy or difficult to transport items may incur an additional delivery charge. Please contact us for a delivery quote before ordering.
You may also need
The Grundfos Home Booster MD450200 is a best-selling, complete, self-contained cold water boosting set designed for domestic properties with low mains pressure. A high-quality stainless…
Grundfos 180L Home Booster Slave / Spare Water Tank The Grundfos Home Booster sets can be used in conjunction with a 180L Slave Tank for…
The Grundfos Home Booster MD300200 is a best-selling, complete, self-contained cold water boosting set designed for domestic properties with insufficient mains pressure. A high-quality stainless…
Related products
DAB Euroinox MP stainless steel centrifugal water pump particularly suitable for water supply in domestic installations smallscale agriculture gardening or pressure boosting..
DAB multi-stage self-priming centrifugal water pump with excellent suction capacity even when there are air bubbles. Particularly suitable for water supply in domestic installations smallscale…
DAB twin AD variable speed booster pump sets specifically suitable for domestic applications and small systems for civil, agricultural or industrial uses.
This DAB Aquajet Inox Automatic Self Priming Pressure Pump Unit is ideal for domestic, civil, agricultural and industrial use. With an automatic water lifting unit, stainless…
Lowara CEAM 70/5-V/A 110v 107330010DAA Lowara CEA-CA series. A wide range of pumps for domestic and industrial applications. Single impeller CEA and dual impeller CA.…
The Clarke CBM pump. This high efficency multi-stage tankless booster pump has an electronic control unit and combines high output with a massive 48m head.…
Frequently Asked Questions
Quick answers to common questions about the GRUNDFOS MAX-E BOOST 5.0 BAR PRESSURE BOOSTER PUMP SET 240V 98536448. For technical specifications, see the product details above; for sizing or installation advice, contact our team. If you have any other questions, we're happy to help.
What is a mains pressure boosting system?
A mains pressure boosting system increases the pressure and flow of water from the incoming mains supply into a property. It typically combines a pump and a storage or expansion tank, drawing water from the mains and delivering it to taps, showers and appliances at a stronger, more consistent pressure. They are used where the incoming mains is too weak to serve modern outlets reliably.
When do I need a mains booster pump?
You normally need a mains booster if static mains pressure is below 1.5 to 2 bar, if showers run weakly when other taps are open, or if combi boilers struggle to deliver hot water. Anglian Pumping recommends checking static pressure at the stop tap before specifying a system, then choosing a model rated for the number of bathrooms and outlets in the property.
What size mains booster do I need for my home?
Sizing depends on the number of bathrooms, the type of fittings and the static mains pressure. As a guide, a 1 to 2 bathroom property with combi boiler or single shower often needs 1.6 to 3 bar boost. A 2 to 3 bathroom property typically needs 3 to 4.5 bar with an integral break tank. Larger homes need a tank-and-pump system such as the DAB Esybox with Esytank or a Powertank set.
What is a water booster pump?
A water booster pump increases the pressure of an existing water supply to give stronger flow at taps, showers and appliances. It can be a small inline pump fitted to the incoming mains, or a larger pump and tank set that draws from a break tank to feed the whole house. Boosters do not create water – they raise the pressure of the water already coming in.
What is the difference between an inline booster and a tank-and-pump booster?
An inline booster connects straight onto the incoming mains and is limited to 12 litres per minute under UK water regulations – examples include the Salamander HomeBoost and WaterBoost WB-Compact. A tank-and-pump booster, such as the Grundfos Home Booster or DAB Esybox with Esytank, draws from a break tank and can deliver much higher flow rates for larger homes with multiple bathrooms.
What is a variable speed booster pump?
A variable speed booster uses an inverter to adjust pump speed in real time to match demand. It maintains constant pressure as outlets open and close, runs more quietly than a fixed-speed pump and typically saves up to 50 per cent of the energy a fixed-speed equivalent would use. The DAB Esybox, DAB Esybox Mini 3 and Grundfos Scala2 are common variable speed examples.