What is the capacity of the iQ700 CM978GNB1B compact oven?

The cavity volume is 45 litres, with 3 shelf positions and level independent telescopic rails, including 1 pyrolitic–proof telescopic shelf.

Does this appliance combine an oven and a microwave?

Yes. It is a compact oven with microwave function and is described as a microwave combination oven, offering 22 heating methods including Microwave alongside conventional oven functions.

How does the cleaning system work?

The appliance features activeClean and a hydrolyse programme, as well as humidClean Plus. humidClean Plus softens dirt by vaporising soapy water, making it easy to wipe away from the enamel anthracite cavity.

Can I control the oven remotely?

Yes. It is WLAN – Home Connect enabled, and Home Connect with Remote Control lets you operate the oven remotely and unlock the full potential of the smart functions.

What is the maximum microwave power and temperature range?

The maximum microwave power is 900 W with 5 power settings (90 W, 180 W, 360 W, 600 W, boost). The oven temperature range is 30 °C to 275 °C.

Which accessories are supplied and which are optional?

The oven comes with 2 x combination grid and 1 x universal pan. Optional accessories include items such as a baking stone, various enamelled and non–stick trays and pans, baking and roasting grids, a glass pan, an assembly kit for vertical installation, decor list, cover strip and a 5,4 L glass roasting dish.

Product Information Sheet

Siemens Studioline Microwave Combi

SKU: CM978GNB1B

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

Siemens CM978GNB1B Studioline Microwave Combi

SKU: CM978GNB1B · EAN: 4242003901427

Black & Black Steel Trim

The iQ700 CM978GNB1B is a built–in compact oven with microwave function, combining a 45 litre cavity, 22 heating methods and intelligent inverter technology in a 60 x 45 cm black studioLine design. It suits users who need flexible cooking in limited space, with features such as varioSpeed, fast preheat, activeClean self–cleaning, humidClean Plus and Home Connect with Remote Control for convenient, results–driven everyday cooking.

2 Year Warranty

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Product name / series	iQ700 built–in compact oven with microwave function
Model designation	CM978GNB1B
Colour / finish	Black, studioLine Black Steel Design with studioLine Glass handle
Appliance type	Microwave combination oven
Control panel	Electronic touch control with steel trim
Cavity volume	45 litres
Cavity inner surface	Enamel anthracite
Heating methods	22 heating methods including conventional top & bottom heating, full width grill, half width grill, coolStart, bottom heat, intensive conventional heat, low temperature cooking, keep warm, dehydrate, plate warming, Conventional heat gentle, Microwave, 4D Hot air, Conventional heat, Full width grill, Half width grill, Hot air grilling
Microwave power	Maximum micro–wave power 900 W; 5 power settings (90 W, 180 W, 360 W, 600 W, boost)
Inverter technology	Intelligent microwave inverter technology; maximum output power will be regulated to 600 W when used in longer operation for gentler cooking
Temperature range	30 °C – 275 °C
Shelf positions	3 shelf positions; 1 level telescopic shelf, pyrolitic proof; level independent telescopic rails
Cleaning systems	activeClean, hydrolyse programme, humidClean Plus
Smart connectivity	WLAN – Home Connect enabled with Remote Control
Control features	Oven Assistant with Voice Control, SE63, electronic oven clock timer, digital temperature display with proposal, actual temperature display, heating–up indicator, temperature probe, Start button, control panel lock
Door	Drop down oven door with softClose and softOpen; maximum door temperature 30 °C; electronic door lock; door contact switch
Lighting and cooling	LED light; light on/off when door opened/closed; integral cooling fan
Safety	Electronic door lock, control panel lock, automatic safety switch off, residual heat indicator, maximum door temperature 30 °C
Appliance dimensions (H x W x D)	455 x 594 x 548 mm
Cavity dimensions (H x W x D)	237 x 480 x 392 mm
Niche dimensions (H x W x D)	450 mm – 455 mm x 560 mm – 568 mm x 550 mm
Weight (net / gross)	Weight 35.9 kg; gross weight 39.1 kg
Power cord length	150 cm
Connection rating	Total connected load electric 3.6 kW (3600 W)
Nominal voltage	220 – 240 V
Frequency	50; 60 Hz
Fuse protection	16 A
Plug type	No plug (electrical connection by electrician)
EAN code	4242003901427
Included accessories	2 x combination grid, 1 x universal pan
Optional accessories	HZ327000 Baking stone; HZ531010 Baking tray, non–stick ceramic coated; HZ532010 Universal pan, non–stick ceramic coated; HZ617000 Pizza pan, enamelled; HZ629070 Air Fry & Grill tray; HZ631070 Baking tray, enamelled; HZ632070 Multipurpose pan, enamelled; HZ634000 Baking and roasting grid (standard); HZ636000 Glass pan; HZ65MA00 Assembly kit for vertical installation; HZ664000 Baking and roasting grid (steam); HZ66X600 Decor list; HZ66X650 Cover Strip; HZ915003 Glass roasting dish, 5,4 L

Accessories

Mandatory items are automatically included with your enquiry. Optional items can be added individually.

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Optional Accessories

— add individually to your enquiry

Optional

HZ66X600

Siemens iQ700 / iQ500 Cosmetic Decor Strip

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 Siemens dealer, with full manufacturer warranty. Established 1967.

Expert Advice

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Siemens Studioline Microwave Combi

Siemens CM978GNB1B Studioline Microwave Combi

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Optional Accessories

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