 Honeywell CG511 / CG512A Universal Thermostat Lock Box
Protect your thermostat from tampering. The lock box prevents unauthorized changes to temperature settings, and it also protects the thermostat against damage.
| |  Honeywell CW200A Winter Watchman Low Temperature Freeze Warning
Winter Watchman helps prevent damage from cold or freezing temperatures by signaling neighbors that your heat is off.
| |  Honeywell CQ100 Thermocouple for Gas Furnaces, Boilers, Water Heaters
This is one of the most commonly replaced parts of your boiler. Replacing it is easy, and doing it yourself will save you on a costly service call.
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