Optimum
Showing 25–32 of 32 results
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A compact mechanical 7‑day timeswitch that offers a single volt‑free SPDT output on a weekly dial with 2‑hour tappet intervals. Rated 16 A resistive / 8 A inductive (incandescent up to c.1,300 W; LED to 100 W), it’s a trade‑style, low‑complexity timer for basic lighting, heating or pump control where coarse, repeat weekly scheduling is acceptable.
OP-TS171.1 (7 Day) Timeswitch
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£39.99A compact single‑channel 24‑hour quartz timeswitch with 15‑minute tappet intervals and volt‑free SPDT contacts. Designed for surface, panel or DIN‑rail mounting, it offers a battery running reserve so the clock and programme survive mains interruptions — useful for simple daily control of lighting, pumps or heating interlocks.
OP-TS211.1 QUARTZ 24 HOUR 150 HOUR RESERVE
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£62.99A compact 24‑hour / 7‑day programmable digital timeswitch for 220–240 V installations. It offers up to 24 on/off events, a volt‑free changeover contact rated 16 A resistive (4 A inductive), multiple manual override modes and DIN‑rail/panel/surface mounting — a practical, non‑networked scheduler for heating, pumps and other routine mains‑switched equipment.
OP-TS371.1 Digital Timeswitch 7 DAY/24 HOUR
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£51.95A compact touchscreen room thermostat with both 868 MHz RF and 2.4 GHz Wi‑Fi, the OP‑WFSTAT pairs a battery‑powered wall stat with a mains receiver to provide four daily heating periods, remote control via the Smart Life app and either volt‑free relay switching or OpenTherm modulation for compatible boilers.
It’s best suited to single‑zone domestic systems where simple app control and an easy‑to‑install wireless stat are needed without the complexity of a larger smart hub.
OP-WFSTAT Wi-Fi Digital Room Thermostat
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£7.73A single‑socket UK smart plug (Status SS1GWIFIPLUGB18) that adds app control, scheduling and energy metering to a standard BS1363 outlet. It connects over 2.4GHz Wi‑Fi, works with the Smart Life app and supports Amazon Alexa voice control. Rated 220–240V, 50Hz, 13A (max 2990W), it’s a low‑cost option for automating lights and everyday appliances within that load limit.
Single Socket Wi-Fi Plug-In Timer
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£15.79A simple, mechanical frost‑protection thermostat for domestic heating systems. The Tower STTRFSN V2 uses a sealed bellows and dial to maintain a minimum temperature between −5°C and +15°C, with a 1°C switching differential and volt‑free SPDT contacts for use with boilers and control circuits.
It’s compact, wall‑mounted (60 mm fixing centres) and is best used where you need reliable frost protection rather than programmable or smart heating control.
STTRFSN V2 Room Thermostat
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£17.99A simple, dial-operated mechanical room thermostat that switches mains heating at 230 V. The Tower STTRSL uses a sealed bellows sensor for reliable temperature control between 10°C and 30°C, and includes a neon indicator that lights when the heating is on. It’s a low-cost, easy-to-install choice where basic on/off control is sufficient.
STTRSL Room Thermostat
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£20.59A simple dial room thermostat with a blank tamper cover and a sealed‑bellows sensing element. The Tower STTPRS provides manual temperature control from 10°C to 30°C (1°C differential), is rated at 10(3) A and is designed for wall mounting with 60 mm fixing centres — a low‑cost, robust option where authorised setpoints must be preserved.
Tamper Proof Thermostat
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