Horstman - C1727 2-Channel Smart Programmer
Horstmann/Secure H3747 4 Channel Wireless Smart WiFi App Phone Programmable Room Thermostat (Replaces H37XL & H47XL) - Hanicks
Secure H3747 4 Channel Receiver Unit Only
SECURE H3747 - 4 CHANNEL SMART PROGRAMMABLE STAT & WIFI EXTENDER HC2.4 CARD
GTIWUNG 4 Pack 2 Channel 5V Relay Module, 2 Channel 5V Relay with Optocoupler, High or Low Level Trigger, Expansion Board for Raspberry Pi Arduino
7-Day 2 Channel Central Heating & Hot Water Programmer Timer Replacement for Honeywell ST9400C – Dual Channel Wired Boiler Controller and Heating Timer
