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Slab Sensor 10’ (3 m) wire Length: 10ft Sensor: NTC thermistor, 10 k ohm @ 77F Temperatu..
$ 34.95
12" replacement thermistor sensor assembly for HydroStat...
$ 17.65
Thermometer, 1/2" NPT, 2-1/2" Dial, 30-250F Temperature range: 30 - 250°F Dial size: 2-1/2..
$ 15.95
Hydrolevel 3150 HydroStat is a 120V universal dual-function control for Oil boilers (incl. w/ tankle..
$ 162.95
Hydrolevel Fuel Smart 3200-Plus HydroStat is a 120V universal triple-function control for Gas boiler..
$ 184.95
Radiant Thermostat one stage heat(Includes Slab Sensor 079)Stages: 1 HeatInterface: ButtonScreen: M..
$ 104.95
Programmable Thermostat Two Heat or Heat-Cool (Includes Sensor 079)Stages: 1 Heat -or- 2 Heat + Fan ..
$ 141.95
Outdoor sensor kit for Laars MiniTherm series boilers (all models)...
$ 59.95
Hydrolevel EL 1214 is standard-sized ceramic probe for low water cut-offs (LWCOs) with 3/4 NPT conne..
$ 54.95
Hydrolevel EL 1214 is standard-sized ceramic probe for low water cut-offs (LWCOs) with 3/4" NPT conn..
$ 54.95
Hydrolevel EL 1214-SV is short-sized ceramic probe for low water cut-offs with 3/4" NPT connection a..
$ 54.25
Hydrolevel EL 1220 is a standard-sized ceramic probe with a 1/2" NPT connection and an ID of 2-7/8",..
$ 48.95
Hydrolevel electro-wells are used to enable low water cut-off (LWCO) functionality on HydroStat seri..
$ 25.95
Hydrolevel electro-wells are used to enable low water cut-off (LWCO) functionality on HydroStat seri..
$ 29.75
Hydrolevel electro-wells are used to enable low water cut-off (LWCO) functionality on HydroStat seri..
$ 33.95
Hydrolevel OS-100 is a wired outdoor sensor kit, designed to monitor outdoor temperature to adjust t..
$ 51.95