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079 Slab Sensor for Radiant Floor Heat, 10ft wire

Slab Sensor 10’ (3 m) wire Length: 10ft Sensor: NTC thermistor, 10 k ohm @ 77F Temperatu..

$ 34.95

12" Replacement Sensor for HydroStat

12" replacement thermistor sensor assembly for HydroStat...

$ 17.65

30-250F Hot Water Thermometer/Temperature Gauge, 2-1/2" Dial, 1/2" NPT, 30-250F

Thermometer, 1/2" NPT, 2-1/2" Dial, 30-250F Temperature range: 30 - 250°F Dial size: 2-1/2..

$ 15.95

3150 HydroStat, Temperature Limit & Low Water Cut-Off for Oil Boilers, 120V

Hydrolevel 3150 HydroStat is a 120V universal dual-function control for Oil boilers (incl. w/ tankle..

$ 162.95

3200-Plus Fuel Smart HydroStat for Gas Boilers (LWCO, Temperature Limit & Boiler Reset Control), 120/24V

Hydrolevel Fuel Smart 3200-Plus HydroStat is a 120V universal triple-function control for Gas boiler..

$ 184.95

519 Radiant Thermostat w/ Slab Sensor, 1-Stage Heat (518 + 079)

Radiant Thermostat one stage heat(Includes Slab Sensor 079)Stages: 1 HeatInterface: ButtonScreen: M..

$ 104.95

521 Thermostat w/ Slab Sensor (079), 2H/1C

Programmable Thermostat Two Heat or Heat-Cool (Includes Sensor 079)Stages: 1 Heat -or- 2 Heat + Fan ..

$ 141.95

Accessories for Field Mounting Outdoor Air Sensor Kit

Outdoor sensor kit for Laars MiniTherm series boilers (all models)...

$ 59.95

EL1214, Standard Ceramic Probe, 3/4 NPT, 2-7/8 ID

Hydrolevel EL 1214 is standard-sized ceramic probe for low water cut-offs (LWCOs) with 3/4 NPT conne..

$ 54.95

EL1214, Standard Ceramic Probe, 3/4" NPT, 2-7/8" ID

Hydrolevel EL 1214 is standard-sized ceramic probe for low water cut-offs (LWCOs) with 3/4" NPT conn..

$ 54.95

EL1214-SV, Short Ceramic Probe, 3/4" NPT, 2-1/16" ID

Hydrolevel EL 1214-SV is short-sized ceramic probe for low water cut-offs with 3/4" NPT connection a..

$ 54.25

EL1220, Standard Ceramic Probe, 1/2" NPT, 2-7/8" ID

Hydrolevel EL 1220 is a standard-sized ceramic probe with a 1/2" NPT connection and an ID of 2-7/8",..

$ 48.95

EW-201, HydroStat Standard Electro-Well, 3/4" NPT, Standard Nut

Hydrolevel electro-wells are used to enable low water cut-off (LWCO) functionality on HydroStat seri..

$ 25.95

EW-202, HydroStat Extended Electro-Well, 3/4" NPT, Long Nut for Tankless Coil Boilers

Hydrolevel electro-wells are used to enable low water cut-off (LWCO) functionality on HydroStat seri..

$ 29.75

EW-222, HydroStat Extended Electro-Well, 1/2" NPT, Long Nut for Tankless Coil Boilers

Hydrolevel electro-wells are used to enable low water cut-off (LWCO) functionality on HydroStat seri..

$ 33.95

OS-100 Outdoor Sensor Kit for HydroStat 3200-Plus and 3250-Plus

Hydrolevel OS-100 is a wired outdoor sensor kit, designed to monitor outdoor temperature to adjust t..

$ 51.95

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