Horstmann Controls Thermostats
HORSTMANN (SECURE) PRT1 THERMOPLUS
Part No: 4210075 / MPN: PRT1 THERMOPLUS
HORSTMANN (SECURE) ELECTRONIC 7
Part No: 4210130 / MPN: NU0300701301
HORSTMANN ECONOMY 7 QTZ 2 HR BOOST
Part No: 4210135 / MPN: NU0300401301
HORS DRT1 ROOM THERMOSTAT - NOW USE 4210162
Part No: 4210090 / MPN: DRT1 ROOM THERMO
HORSTMANN ELECTRISAVER E15
Part No: 4210150 / MPN: NU0301015000