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Secure/Horstmann C1727 Smart Phone Wireless App Controlled 2 Channel Programmable Room Thermostat Direct Replacement Secure/Horstmann C17 & C27 Genuine Part - Hanicks
Secure (Horstmann) SIR021 30/60/120 Boost Timer
Secure Horstmann Wireless Electronic Digital Room Thermostat & Receiver HRT4-ZW
HORSTMANN SECURE CENTAURPLUS C27 REPLACEMENT PROGRAMMER *READ DESCRIPTION*
REPLACEMENT for Horstmann Secure Centaurplus C27 *READ DESCRIPTION*
Horstmann/Secure H3747 4 Channel Wireless Smart WiFi App Phone Programmable Room Thermostat (Replaces H37XL & H47XL) - Hanicks
