SIP TEMPEST PW420/150 Wall-Mount Pressure Washer

The Space-Saving, Versatile Pressure Washer That Goes Wherever You Need It

Introducing the SIP TEMPEST PW420/150 Wall-Mountable Electric Pressure Washer — a compact, intelligently designed domestic cleaning machine that delivers genuine 150bar (2175psi) pressure washing performance in a uniquely versatile 3-in-1 format. Mount it on a wall or fence, stand it freestanding on anti-vibration feet, or carry it by its foam-grip handle — the PW420/150 adapts to your space and your task, making it the smartest domestic pressure washer in the SIP TEMPEST range.

Why the SIP TEMPEST PW420/150 Is Unlike Any Other Domestic Pressure Washer

Most domestic pressure washers are designed for one position — on the ground. The PW420/150 breaks that convention entirely with its detachable powder-coated wall bracket, allowing permanent or temporary mounting on any suitable wall or fence to completely free up floor space in garages, outbuildings, and utility areas. When wall mounting isn't possible or practical, the anti-vibration feet provide a stable freestanding platform, and the top-mounted foam-grip carry handle makes it easy to transport wherever it's needed. One machine. Three ways to use it.

Key Features & Benefits

3-in-1 Adaptable Setup — Wall-Mounted, Freestanding or Carried

The PW420/150's most distinctive feature is its detachable powder-coated wall bracket, which allows the machine to be quickly and simply mounted on a wall or fence — keeping it off the floor, out of the way, and immediately ready for use. When wall mounting isn't suitable, the four anti-vibration feet provide a stable, vibration-dampening freestanding base on any flat surface. And when you need to take the machine to a different location entirely, the top-mounted foam-grip carry handle makes transportation comfortable and secure at just 12.8kg.

1.6kW Brushless Induction Motor — Quiet, Efficient & Long-Lasting

The PW420/150 is powered by a 1.6kW (2hp) brushless induction motor — the same proven motor technology found in SIP's commercial TEMPEST machines, now delivering its advantages in a compact domestic package. Running quieter and smoother than brushed alternatives with improved efficiency and lower maintenance requirements, this motor is engineered for a significantly longer operational lifespan than the brush motors found in comparable domestic pressure washers. At a noise level of just 71dB(A) LwA, it is also one of the quietest machines in its class — considerate of neighbours and more comfortable for extended use.

150bar Maximum Pressure & 420L/hr Flow Rate

Despite its compact dimensions — 413(H) x 193(W) x 337mm — the PW420/150 delivers a full 150bar (2175psi) of maximum pressure with a 420L/hr flow rate. This is genuine high-pressure domestic cleaning performance, capable of removing stubborn moss, algae, dirt, and grime from patios, driveways, fences, and vehicles with ease — in a machine small enough to mount on a wall.

Total Stop Function — Energy Saving & Motor Protection

The Total Stop function cuts both the motor and pump automatically when the trigger is released, restarting instantly on demand. This reduces energy consumption during natural pauses in use, prevents unnecessary pump wear between bursts of cleaning, and extends the operational lifespan of the machine — a valuable feature on any pressure washer used regularly for domestic maintenance tasks.

Robust Framed Design — Protection from Knocks & Bumps

The PW420/150 features a protective framed design that shields the pump and motor from accidental knocks and impacts during both use and storage. This structural protection is particularly valuable in a wall-mounted configuration where the machine may be in a more exposed position in a garage or outbuilding — ensuring the internal components remain protected regardless of how the machine is deployed.

Adjustable Nozzle & 6m High-Pressure Hose — Versatile Reach

The PW420/150 is supplied with a 6-metre high-pressure hose and an adjustable pistol lance and nozzle, providing spray pattern versatility from a concentrated jet to a wider fan — covering every domestic cleaning task without attachment swapping. The 6m hose combined with a 5m power cable gives a comfortable working radius around the machine whether wall-mounted or freestanding.

Detergent Bottle Included — Chemical Cleaning Capability

A detergent bottle is supplied with the PW420/150, enabling cleaning solutions to be applied through the machine for enhanced cleaning power on stubborn soiling, moss treatments, and vehicle pre-wash applications — adding a chemical cleaning dimension to the machine's water pressure performance.

Garden Hose Adaptor Included — Simple, Familiar Connection

The included garden hose adaptor ensures connecting the PW420/150 to a standard domestic outdoor tap is quick, straightforward, and secure — no specialist fittings or plumbing knowledge required.

Full Specifications

What's in the Box?

What Can the SIP TEMPEST PW420/150 Clean?

Exterior Property Cleaning

• Patios & paving — Remove moss, algae, lichen, and ground-in grime from slabs and block paving
• Decking — Restore timber and composite decking to its original appearance quickly and safely
• Walls & fences — Strip weathered grime and biological growth from brick, render, timber, and panel fencing
• Driveways & garages — Clean tarmac, concrete, and resin-bound surfaces from oil spots to general soiling
• Outdoor furniture — Refresh plastic, metal, and wood garden furniture rapidly
• Fascias & guttering — Clean exterior trim and guttering runs efficiently with the adjustable nozzle

Detailing & Valeting

• Cars — Remove road film, mud, and grime safely from bodywork and wheel arches
• Motorcycles — Clean frames, fairings, and wheels with precise, controlled pressure
• Small vehicles & trailers — Maintain caravans, quad bikes, and light trailers with ease

The PW420/150 Compared — Wall-Mount Versatility vs Standard Domestic Machines

How to Install the PW420/150 on a Wall or Fence

Installing the PW420/150 in a wall-mounted position is straightforward using the included detachable powder-coated bracket:

1. Select a suitable wall or fence location within reach of a mains socket and outdoor tap
2. Fix the powder-coated bracket securely to the wall or fence using appropriate fixings for the surface
3. Attach the PW420/150 to the mounted bracket
4. Connect the garden hose adaptor to your outdoor tap and attach the 6m pressure hose
5. The machine is ready to use — and your floor space is completely clear

When you need the machine elsewhere, simply detach it from the bracket and carry it using the foam-grip handle.

Frequently Asked Questions

Can the PW420/150 be used without being wall-mounted? Yes. The PW420/150 is fully functional as a freestanding unit on its four anti-vibration feet, or can be carried to any location using the foam-grip handle. The wall bracket is detachable and entirely optional.

What surfaces can the wall bracket be mounted on? The detachable powder-coated bracket is designed for mounting on walls or fences using standard fixings. Ensure the surface is structurally suitable for supporting the machine's weight — consult a professional if you are uncertain about the suitability of a particular mounting surface.

Is the PW420/150 suitable for washing cars? Yes. The PW420/150 is specifically highlighted for exterior cleaning of cars and motorcycles. The adjustable nozzle allows spray intensity to be moderated for safe use on vehicle paintwork.

What does the brushless motor offer over a standard brush motor? Brushless induction motors have no brushes to wear or replace, run quieter and cooler, and offer improved efficiency and a longer operational lifespan compared to conventional brush motors — making the PW420/150 a more durable and lower-maintenance machine than comparable domestic alternatives.

What is the IP rating of the PW420/150? The PW420/150 carries an IPX5 rating, confirming protection against water jets and safe outdoor operation in wet weather conditions.

Does the PW420/150 require a special water connection? No. The included garden hose adaptor connects directly to a standard domestic outdoor tap — no specialist plumbing or fittings are required.

How quiet is the PW420/150 compared to other pressure washers? At 71dB(A) LwA, the PW420/150 is notably quieter than many domestic pressure washers — making it a considerate choice for residential use where noise impact on neighbours is a concern.

Order the SIP TEMPEST PW420/150 Today

The SIP TEMPEST PW420/150 Wall-Mount Pressure Washer is the ideal domestic cleaning machine for homeowners who want powerful 150bar performance without sacrificing space, flexibility, or build quality. Wall-mount it to keep your garage tidy, stand it freestanding for flexible outdoor use, or carry it wherever the job takes you — all from a single, compact, brushless induction motor powered machine that punches well above its weight class.

Product Code: 08920Includes: 6m Hose | Pistol Lance & Adjustable Nozzle | Detergent Bottle | Lance Hook | Garden Hose Adaptor | Detachable Wall Bracket