Honeywell central heating programmer instructions

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Your Honeywell ST9400C provides timing control for both your central heating and hot water systems, letting you set ON and OFF periods to suit your own ST699 and $7799 are Standard Programmers providing accurate time control for central heating systems with separate override facilities for heating and hot water The ST9400C central heating and hot water programmer has the new and ground Line of Text (LoT) display that gives clear plain English instructions wheneverdocument replaces any previously issued instructions and is only Your Honeywell ST9400A provides timing control for both your central heating and. Two Channel Central Heating and Hot Water Programmer The simple instructions contained in this user guide are designed to help with the programming and OPERATING YOUR PROGRAMMER. For normal operation the TIME SET selector must be in the AUTO position. Red indicator lamps show when the Heating. We are the leading suppliers of domestic heating and combustion controls in the UK with products that include time, temperature, gas and water controls. Our Description. The Honeywell CM907 is a programmable room thermostat designed to control your heating system efficiently, providing comfortable temperatures.