Compare British General SDMHA Mains Interlinked Interconnecting Heat Alarm Prices | Compare The Build

Login / Register

                                
                                Menu

Login / Register My Projects DIY Guides

Building Supplies

Building Material Suppliers
Additives & Chemicals Aggregates & Sand Block paving Bricks & Blocks Concrete & Cement Coving Guttering & Drainage Insulation & Damp Jointing compound Joist hangers Lintels Metalwork Plasterboard Plastering Supplies Render Roofing Supplies View All

Door Supplies
Door frames & fixtures Door handles Door locks & hatches Door numbers External Doors Garage Doors Internal Doors Letterbox Loft Doors & Hatches Windows View All

Hardware
Bolts, nuts & washers Brackets Fixings & Wallplugs Furniture hardware Handles & knobs Hinges Hooks House numbers & plaques Locks & padlocks Nails Ropes, bungees & chains Screws View All

Timber Sheet Materials
Architrave Constructional timber Decorate mouldings Sheet materials Skirting board Stairs & stair parts Window boards View All
Tools

Construction Tools
Cement & paddle mixers Ladders & steps Tarpaulins, sheets & sacks Tool Storage Tool storage Torches & worklights Trolleys & carts Vacuums & Cleaners Wheelbarrows & Hand Trucks Workbenches & trestles View All

Hand Tools
Brick Bolsters & Chisels Bricklaying tools Clamps Crowbars Garden Hand Tools Hammers & Axes Hand Saws Knives & Cutters Nailers & staplers Plastering tools Pliers Screwdrivers & keys Spanners & wrenches Tool Kits Woodworking tools View All

Power Tool Accessories
Angle grinder disks Chucks, keys & holders Drill bits Holesaws Multi tool accessories Routing Sanding Sawing & Blades Screwdriver bits View All

Power Tools
Chop saws Circular Saws Drills & Impact Drivers Grinders Jigsaws Mitre, Table & Flip Saws Multi Tools & Hobby Tools Nail Guns Planer Power tool kits Radios Reciprocating Saws Routers Sanders Saws Screwdrivers View All

Workwear
Goggles & Glasses Hoodies & sweatshirts Overalls & coveralls Pest Control Safety Boots Safety Gloves Safety Hats Safety Masks Safety trainers Van vault Work jackets Work shorts Work trousers View All
Decorating Supplies

House Paint
Interior Emulsion Spray Paint Tile paint View All

Paint
Anti mould paint Chalkboard paint Emulsion paint Fence paint Floor paint Furniture paint Garden furniture paint Gloss Paints Kitchen paint Paint samples Primers & undercoats Radiator paint Specialist Paints Wood & Metal Paints View All

Painting Tools
Dust sheets Expanding foam Fillers Glues & adhesives Paint brushes Paint pads Paint Sprayers Paint stripper Sandpaper Sealants Tapes View All

Wallpaper
Lining paper Murals Sticky back plastic & window film Wallpaper Wallpaper Paste Wallpaper tools View All

Woodcare
Wood oil Wood preservatives Wood varnish Wood wax Woodstain View All
Flooring

Floor Accessories
Grout Scotias & Floor Trims Skirting & Architrave Thresholds & Reducers Tile Trims Underlay View All

Floor Tiles
Bathroom Tiles Floor Tiles Kitchen Tiles Mosaic & border tiles Outdoor tiles Sample tiles Tile Backing Boards Wall Tiles View All

Flooring Supplies
Carpet Tiles Door mats Engineered Wood Flooring adhesives Flooring samples Flooring Threshold Bars Laminate Luxury vinyl click Sheet vinyl Solid wood Vinyl flooring Vinyl Planks Vinyl Tile View All

Flooring tools
Thresholds, tbars & reducers View All

Tiling tools
Adhesive Grouting tools Tile cutters Tile scribes Tile spacers Tiling trowels View All
Garden Supplies

Fencing
Fence panels Fence posts Garden gates Gravel boards Trellis & screening View All

Garden Buildings
Arches & arbours Garden bar Garden rooms Garden storage Greenhouses Growhouses & cold frames Log Cabins Metal Sheds Plastic Sheds Playhouses Shed Base Sheds Summerhouses View All

Garden Furniture
BBQ Camping Garden Furniture Sets Garden Heating Garden ornaments Garden parasols Garden seating Garden Sofas & Lounge Sets Gazebos Hot Tubs Pizza ovens View All

Garden Tools
Chainsaws Garden power accessories Garden shredders Grass Trimmer Hedge trimmers Lawnmowers Leaf blowers & vacs Pressure washers Scarifies & tillers View All

Landscaping Supplies
Compost Decking Fertilizer & plant food Fire pits Hand tools & equipment Houseplants Lawn care Paving & walling Pergolas Plants & seeds Pots & planters Stone gravel & chippings Swings & slides Turf & artificial grass Watering hoses & ponds View All
Heating Supplies

Air Purification
Air Conditioners Air Purifiers Ceiling Fans Cooling Fans Dehumidifiers Ducting Extractor Fans Vents & Grills View All

Central Heating Systems
Boilers Central Heating Controls Heating Treatments Pipe Insulation Underfloor Heating Water Heaters Water treatment View All

Heaters
Electric Fires Fire surrounds Fireplace accessories Fireplace suites Gas Fires Logs & Firewood Portable Heaters Storage heaters Stoves View All

Plumbing Supplies
Air source heat pumps Bathroom fittings Elbows Flexible connectors Macerators Pipe Pipe fittings Plumbing tools Shower pumps Toilet fittings Toilet spares Valves & stopcocks Waste & traps View All

Radiators
Cast iron radiators Central Heating Radiators Designer radiators Electric radiators Heating elements Radiator covers Radiator valves Towel Radiators Vertical radiators View All
Kitchen & Bathroom

Bathroom Supplies
Accessories Basins Bath panels Bathroom Mirrors Bathroom suites Bathroom wall panels Baths Furniture & cabinets Taps Toilet seats Toilets View All

Home Appliances
Cooker hoods Cookers Dishwashers Freezers Fridge freezers Fridges Hobs Kettles Microwaves Ovens Tumble dryers Washer dryers Washing machines View All

Kitchen Supplies
Bar stools Cabinets Kitchen bins Kitchen doors Kitchen Handles Kitchen paint Kitchen sinks Kitchen storage & accessories Kitchen taps Kitchen tiles Kitchen worktops View All

Showers
Bath shower screens Curtain rails & rods Digital Showers Enclosures & doors Riser rails Shower curtains Shower heads Shower hoses Shower kits Shower panels Shower trays Showers Wet rooms View All
Lighting

Electrical Supplies
Batteries & chargers Cable management Consumer units & breakers Door bells EV charging Extension leads & reels Junction boxes & connectors Networking & broadband Switches & Sockets Trunking, conduit Tv aerials Wiring cables View All

Home Security
Bike locks Burglar alarms CCTV cameras Door locks & latches Fire extinguishers Gate locks Key safes & cash boxes Padlocks Safes Safety signs Smoke alarms View All

Indoor lights
Ceiling lights Childrens lights Floor lamps Lamp shades Light bulbs Light fixtures & fittings Spotlights & downlights Table lamps Wall lights View All

Outdoor Lights
Decking lights Garden string lights Lanterns Security lights Spike lights Wall Lights View All

Smart home
Smart alarms Smart cameras Smart door bells Smart door locks Smart heating Smart light bulbs Smart plugs View All

Compare thousands of DIY and building products

Compare thousands of DIY and building products

Compare thousands of DIY and building products

Compare thousands of DIY and building products

British General SDMHA Mains Interlinked Interconnecting Heat Alarm | Compare The Build

Add to Project Tell me when the price changes

British General SDMHA Mains Interlinked Interconnecting Heat Alarm

Mains-powered heat alarm 9V battery backup. Alarm can be hardwire interlinked with other BG alarms. Connect up to 24 heat and smoke alarms, or up to 12 alarms when including a CO alarm. Suitable for use in kitchens, attics and garages.

Brand Name	British General
Manufacturer Model No	SDMHA
Type	Heat Alarm
Alarm Sensor Type	Thermistor
Alarm Triggering Temperature	54 °C
Battery Duration	Replaceable
Current Type	AC
Fixings Supplied	Fixings Supplied
Interlinked	Interlinked
Interlinked Compatibility	Alarm can be hardwire interlinked with other BG alarms
Low Battery Indicator	Low Battery Indicator
Manufacturer Guarantee	1 Year Guarantee
Noise Level at 3m	85 dB
Operating Temperature	0-40 °C
Pack Size	1
Pieces in Pack/Case	1
Power Input	Mains
Power Type	Mains-Powered with Battery Backup
Power Voltage Supply	240 V
Product Type	Interconnecting Heat Alarm
Smart Compatibility	Not Smart
Suitable Room Type	Suitable for use in Kitchens, Attics and Garages

Best Prices

Screwfix

£53.99

Best Price

Visit Site In stock

The prices shown are available online and may not reflect in store. Confirm prices before visiting store.

Map View

You may also like

Aico Ei3024 Wired Fire Alarm with 10-year sealed battery Price Comparisons | Compare The Build

Aico Ei3024 Wired Fire Alarm with 10-year sealed battery

£65.00

Cheapest at Trade Point

View Product

Heat Alarm Mains Powered with 9V Battery Back Up Price Comparisons | Compare The Build

Heat Alarm Mains Powered with 9V Battery Back Up

£22.91

Cheapest at MGN Builders Merchants

View Product

Firehawk Remote Test & Silence Switch for Mains Units ALTH Price Comparisons | Compare The Build

Firehawk Remote Test & Silence Switch for Mains Units ALTH

£29.66

Cheapest at City Plumbing

View Product

Radio-Interlinked Smoke and Heat Alarm Kit with 10 Year Warranty -UltraFire UFUB1RFKIT Price Comparisons | Compare The Build

Radio-Interlinked Smoke and Heat Alarm Kit with 10 Year Warranty -UltraFire UFUB1RFKIT

£58.95

Cheapest at B&Q

View Product