Product search results for merchant:Screwfix: (showing 2899 to 2916 of 5109)
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Honeywell V4043H 2 Port Motorised Valve
22mm compression connection. 5-wire installation. Conforms to 89/336/EEC and 73/23/EEC. Features: 1m Cable Supplied; 5-88C Flow Temperature; Spring-Return Action; Manual Lever for Filling/Draining; Off: 6 Seconds under Spring Return. Specifications: 2.2A....
Honeywell V4043H 2 Port Motorised Valve 28mm
28mm compression connection. 5-wire installation. 100% tight shut-off. Suitable for underfloor heating. Conforms to CE, UL, CSA - 89/336/EEC and 73/23/EEC. Features: 1m Cable Supplied; 5-88C Flow Temperature; Spring-Return Action; Manual Lever for Filling/Draining....
Honeywell V4073A 3 Port Motorised Valve
22mm compression connection. 5-wire installation. Conforms to 89/336/EEC and 73/23/EEC. Features: 1m Cable Supplied; 5-88C Flow Temperature; Spring-Return Action; Manual Lever for Filling/Draining; Valve Opens to Port B in 8 Seconds (under Spring Return)....
Honeywell V4073A 3 Port Motorised Valve 28mm
28mm compression connection. 5-wire installation. 100% tight shut-off. Suitable for underfloor heating. Conforms to CE, UL, CSA - 89/336/EEC and 73/23/EEC. Features: 1m Cable Supplied; 5-88C Flow Temperature; Spring-Return Action; Manual Lever for Filling/Draining....
Honeywell Y6630D Wireless Room Thermostat
Battery powered wireless room thermostat and mains powered receiver box. Features: Pre-Bound Wireless Receiver; Volt-Free Connections; Wireless; Frost Protection. Specifications: Switch/contact rating: SPDT 10(3)A. Temp. range: 10-30C. H x W x D: 103...
Honeywell Y Plan 7 Day Heating Control Pack
Boxed. Provides independent temperature and time control for both heating and domestic hot water circuits in fully pumped systems. Building Regulations compliant. Features: Convenient Single Box Solution; Independent Control of Heating & Hot Water; Cost-Effective...
Hopper Black 68mm
Suitable for round and square downpipes. Practical, easy to install system that connects to 65mm square and 68mm round downpipe. Cost effective solution for both new build and refurbishment applications. Compatible with Polypipe, Hepworth, Osma, Hunter,...
Horstmann 425 Tiara Programmer
Common timing. 3-wire installation. Override facility. BS EN 60730-2-7: 1992 and 8182 / 8319, BS EN 50081-1 and BS EN 50082-1: 1992. Features: 24 Hour Programmable; 26 Pre-Set Programmes; 2 On/Off Periods per Day; Suitable for Gravity-Fed & Pumped Systems;...
Horstmann AS2 Room Thermostat
Electronic sensing element. 2-wire installation. Override facility. Automatic BST/GMT time change. EN60730-1:1995 and EN 60730-2-9:2002. Features: Digital Display; 3 On/Off Periods per day; 7 Day Programmable; Braille Markings; 2 Year Manufacturer's Guarantee;...
Horstmann CentaurPlus C17 Timeswitch with Li-Ion Battery Back-up
4-wire installation. Override facility. Boost function. Features: Digital Display; 4 On/Off Periods per Day; 7 Day Programmable; 2 Year Manufacturer's Guarantee; 1 Pre-Set Programme; Automatic BST/GMT Time Change. Specifications: IP30. Switch/contact...
Horstmann CentaurPlus C17-ZW Timeswitch & HRT4-ZW Thermostat...
4-wire installation. Override facility. Boost function. IP30. Features: Digital Display; 3 On/Off Periods per Day; 7 Day Programmable; 2 Year Manufacturer's Guarantee; 1 Pre-Set Programme; Automatic BST/GMT Time Change. Specifications: Switch/contact...
Horstmann Centaurstat 7 Room Thermostat
Electronic sensing element. 2-wire installation. Override facility. BS EN 60730-2-9: 1995. Features: Digital Display; 3 On/Off Periods per Day; 7 Day Programmable; 2 Year Manufacturer's Guarantee; M-Bullet2-Wire Installation/M-Bullet. Specifications:...
Horstmann DRT2 Programmable Digital Room Thermostat
Powered by 2 x AAA batteries (not included). Electronic sensing element. Override facility. With frost protection. Features: Digital Display; 4 On/Off Periods per Day; 2 Year Manufacturer's Guarantee; 2-Wire Installation; Digitally Programmable; 1 Pre-Set...
Horstmann E30 Boost Timeswitch
3-wire installation. Override facility. Boost control. BS EN 60730-2-7: 1995. Features: 2 Year Manufacturer's Guarantee; Heating Extension Timer. Specifications: Switching/contact rating: 13A. Max. load: 3kW. H x W x D: 87 x 87 x 16mm.
Horstmann Economy 7 Quartz Timeswitch
Override facility. Boost control. EN 60730-1: 91 +A1, 11 and EN 60730-2-7: 91 +A11, A12. Features: 1 On/Off Period per Day; 24 Hour Programmable; 2 Year Manufacturer's Guarantee; 1 Preset Programme. Specifications: Switching/contact rating: 13A. Max....
Horstmann HRFS1 Programmable Room Thermostat
Electronic sensing element. Wireless. Override facility. Features: Digital Display; 5 On/Off Periods per Day; 5 / 2 Day Programmable; 2 Year Manufacturer's Guarantee; Frost Protection; Wireless. Specifications: Switch/contact rating: SPDT. IP30. 8A. Temp....
Horstmann HRT3 Mechanical Room Thermostat
Bi-metallic. Features: 3-Wire Installation; Mechanical; Frost Protection; Energy Saving Trust Approved; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: SPST IP20. 10A. H x W x D: 80 x 80 x 35mm.
Horstmann HRT4-B Digital Room Thermostat
Powered by standard batteries. Electronic sensing element. Override facility. EN 60730-2-9. Features: Digital Display; 2-Wire Installation; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: 3A. Temp. range: 5-30C. H x W x D: 86 x...