What is the usable capacity of the Smeg MP422X1?

The usable cavity volume is 22 l, with a gross volume of 23 l. The internal usable space dimensions are 220x350x280 mm (height x width x depth).

Does this microwave have a child lock feature?

Yes. The appliance is equipped with a controls lock / child safety function. This device locks the programme or cycle so it cannot be accidentally changed.

How does the Surfaceplus ceramic base work?

The Surfaceplus ceramic base removes the need for a turntable. The whole ceramic surface can be used for cooking inside the microwave cavity.

What are the power ratings for the microwave and grill?

The microwave effective power is 850 W, while the grill heating element has a power of 1250 W. The nominal power of the appliance is 2700 W.

Is the grill easy to clean?

Yes. The appliance features a tilting grill that can be easily unhooked to move the heating element, allowing the roof of the appliance to be cleaned in one simple step.

What accessory is supplied and are there compatible accessories?

The appliance is supplied with 1 grid. It is also compatible with the KITMP38 thin bar, which can be used to change the microwave oven height from 39 cm to 38 cm.

Product Information Sheet

Smeg Microwave

SKU: MP422X1

Woodalls 1053–1055 Finchley Road, London, NW11 7ES
+44 (0)208 455 3925 · [email protected] · www.woodalls.co.uk

Mon–Fri: 9:00am – 5:00pm | Sat–Sun: Closed

Printed 12 June 2026

Smeg MP422X1 Microwave

SKU: MP422X1 · EAN: 8017709276669

Stainless Steel

The Smeg MP422X1 is a built–in, under–counter electric microwave with grill, designed for integrated kitchen installations. It features electronic controls with New Cucina control knobs, LED display and an electronic timer with start and stop options. A stainless steel cavity with ceramic base provides a usable volume of 22 l, while the 850 W microwave and 1250 W grill offer flexible cooking performance with child safety features.

2 Year Warranty

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Product family	Microwave
Category	Built–in
Installation	Under counter
Power supply	Electric
Cooking method	Microwave with grill
Control type	Electronic with control knobs
Display / clock	1 a LED
Type of control setting	Control knobs – New Cucina
Opening	Mechanical button, side–opening door
Number of controls	2
Timer	Electronic, start and stop time–setting options
End of cooking alarm	End of cooking acoustic alarm: Yes
Showroom demo option	Yes
Controls lock / child safety	Yes
Cavity material	Stainless steel
Number of lights	1
Light type	Incandescent
Light power	20 W
Ceramic base	Yes – Surfaceplus ceramic base
Light when door is opened	Yes
Grill type	Heating element, tilting grill
Grill power	1250 W
Total number of door glasses	2
Safety thermostat	Yes
Cooling system	Tangential
Microwave screen protection	Yes
Microwave stops when door is opened	Yes
Usable cavity space dimensions (HxWxD)	220x350x280 mm
Usable volume	22 l
Gross volume	23 l
Microwave effective power	850 W
Nominal power	2700 W
Current	11 A
Voltage	220–240 V
Frequency	50 Hz
Power supply cable length	150 cm
Accessories included	Grid: 1
Compatible accessories	KITMP38 – thin bar to change microwave ovens height from 39 cm to 38 cm

Delivery & Returns

Delivery

Free delivery to London addresses to ground floor only (service lift access accepted). Some appliances carry standard manufacturer delivery charges — confirmed at time of quotation. UK mainland delivery available for an additional charge. Lead times vary by make, model, and manufacturer availability.

Installation

We do not install appliances. We can recommend vetted fitters operating within London — payments are made directly with the fitter. Woodalls accepts no responsibility for installation work carried out by any third party.

Returns

14-day return window from the day after delivery. Items must be unused, uninstalled, and in original packaging. View our full returns policy →

Authorised Dealer

All products are supplied as an authorised Smeg dealer, with full manufacturer warranty. Established 1967.