HONEYWELL PU22AB940A 22MM UNVENTED PACK.
The Honeywell PU22AB940A 22mm Unvented pack includes the Honeywell ST9400A1002 timer, Honeywell V4043H1056/U cylinder thermostat and Honeywell T6360B1028 room thermostat.
The Honeywell ST9400A1002 2-Channel programmer is designed to control both stored hot water and heating in complete systems. The heating and hot water programmes are independent of each other which allows the system to operate in the most energy efficient way possible.
The ST9400A is a 24 hour full programmer with two on/off switching times per day and can be used for heating zones, combi boilers or other applications where a small electric load needs switching. This model features a large backlit LoT display, automatic summer/winter 1 hour time change, temporary or permanent override facilities, choice of three built-in programmes with programme indicator lights and can be fitted on standard industry back plates.
The Honeywell V4043H1056 zone valve is a two port motorised valve and is a normally closed model with end switches for electrical control of pumps and/or boilers and offers a quiet operation with minimal power consumption.
V4043H Features
- Normally closed
- 22mm compression fittings
- SPST end switch
- 0.55 bar max. differential pressure
The Honeywell T6360B1028 room thermostat is a mains voltage thermostat which is designed to give automatic temperature control for domestic wet central heating systems.
- Set point range: 10°C to 30°C
The HONEYWELL PU22AB940A 22MM UNVENTED PACK is a genuine, brand new Honeywell Heating Supplies product, covered by a Honeywell Heating Supplies manufacturer's guarantee.
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