Honeywell L641A Cylinder Thermostat L641A1039
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Honeywell L641A Cylinder Thermostat L641A1039
Dimensions - Height: 127mm, Width: 77mm, Depth: 60mm.
The Honeywell L641A is a surface mounted cylinder thermostat that straps directly onto a domestic hot water cylinder and switches the circulating pump, the boiler or a zone valve once the stored water is up to temperature. It fits without draining the system or tapping into the cylinder. Installation by a qualified electrician or heating engineer is recommended.The price shown includes FREE DELIVERY.
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