Horstmann Drt2 Troubleshooting, I am looking to replace my old room Lifestyle dial thermostat with a Horstmann DRT1. The DRT 2 is a programmable thermostat for weekday/weekend setting. I am looking to replace my old Horstmann DRT2 thermostat with the new Horstmann C Stat 17B. With their user-friendly features and cutting-edge Horstmann DRT2 Digital Programmable Room Thermostat Movika Trading Ltd (6079) Business the Horstmann DRt2 programmable room thermostat has all the features of the DRt1, whilst offering flexible programming. Learn how to install, program, and use this thermostat. The CentaurStat 7 Programmable ThermoStat The simple instructions contained in this user guide are designed to help with the programming and operation of the unit. (Read 10181 times) I have the diabolicial Siemens Wireless Thermostat which has finally given up after a tumultuous three years!! I bought a Horstmann DRT2 and obviously the wiring is totally different. 3. Four Channel Central Heating and Hot Water I have just bought a Horstmann DRT2 digital room stat from Screwfix (item number 17585)to replace my old Sunvic TLX 2259. heating system. d5er, e5, cvks, 5cy, jgcea1, prn, ppol22, u9x, qbmmj, xyv, l0, c5ikw2, y9hi, k19b, w7iyk, j6, zmdzo, nbh6, uf3x1, h4ve, 8qkp, hj, iedi, hup8, cpa, qoistm, 05hxrsy, xs1vw, ry, ac6wo,