16 Results
Filters 11
Popularity Product Name Mfg. Part Number Order Number

SPST, Open on Fall, SPST/Manual Reset, SPST, SPNO-SPNC, SPNO, Open-on-Fall, DPST/SPST, DPST, Analog Out, TPI, Resideo

Hydronic Switching Relay L36-919
Hydronic Switching Relay
Switch Action: DPST; Volts: 120; F/L Amps @ 120V: 7.4; L/R Amps @ 120V: 44.4; F/L Amps @ 240V: 3.7; L/R Amps @ 240V: 22.2;
Brand: Resideo Mfg #: RA832A1066
Catalog Pg.: 535 View Similar Items
Hydronic Switching Relay L36-918
Hydronic Switching Relay
Switch Action: SPST; Volts: 120; F/L Amps @ 120V: 10.2; L/R Amps @ 120V: 61.2; F/L Amps @ 240V: 5.1; L/R Amps @ 240V: 30.6;
Brand: Resideo Mfg #: RA89A1074
Catalog Pg.: 535 View Similar Items
Universal Switching Relay L38-870
Universal Switching Relay
Switch Action: SPST; Volts: 120; F/L Amps @ 120V: 7.4; L/R Amps @ 120V: 44.4;
Brand: Resideo Mfg #: R8845U1003
Catalog Pg.: 535 View Similar Items
Line Voltage Thermostat L37-495
Line Voltage Thermostat
Switch Action: SPST; Color: Ivory; Height: 4-1/2"; Width: 2-1/2"; Depth: 1";
Brand: TPI Mfg #: S2022H10AB
Catalog Pg.: 316 View Similar Items
Line Voltage Thermostat L37-840
Line Voltage Thermostat
Switch Action: SPST; Color: White; Height: 4-1/2"; Width: 2-1/2"; Depth: 1";
Brand: TPI Mfg #: S2022H10AA
Catalog Pg.: 316 View Similar Items
Hydronic Switching Relay L37-916
Hydronic Switching Relay
Switch Action: DPST/SPST; Volts: 120; F/L Amps @ 120V: 7.4; L/R Amps @ 120V: 44.4; F/L Amps @ 240V: 3.7; L/R Amps @ 240V: 22.2;
Brand: Resideo Mfg #: R845A1030
Catalog Pg.: 535 View Similar Items
Line Voltage Thermostat L37-841
Line Voltage Thermostat
Switch Action: DPST; Color: White; Height: 4-1/2"; Width: 2-1/2"; Depth: 1";
Brand: TPI Mfg #: D2022H10BA
Catalog Pg.: 625 View Similar Items
Line Voltage Thermostat L39-739
Line Voltage Thermostat
Switch Action: DPST; Color: Premier White;
Brand: Resideo Mfg #: T4398B1029
Catalog Pg.: 315 View Similar Items
Line Voltage Thermostat L37-496
Line Voltage Thermostat
Switch Action: DPST; Color: Ivory; Height: 4-1/2"; Width: 2-1/2"; Depth: 1";
Brand: TPI Mfg #: D2022H10BB
Catalog Pg.: 625 View Similar Items
Line Voltage Thermostat L39-738
Line Voltage Thermostat
Switch Action: SPST; Color: Premier White;
Brand: Resideo Mfg #: T4398A1021
Catalog Pg.: 315 View Similar Items
5100 Series Unit Heater Thermostat X89-804
5100 Series Unit Heater Thermostat
Description: Unit Heater Thermostat; Switch Action: SPST; Mounting: In-Built; Wt. Lbs.: 1;
Brand: TPI Mfg #: T5100
Catalog Pg.: 630 View Similar Items
Multiple Aquastat® Controller L39-942
Multiple Aquastat® Controller
Application: High/Low Limit; Switch Action: SPST; Diff.: 10°F (High); 10 to 25°F (Low);
Brand: Resideo Mfg #: L4081A1023
Catalog Pg.: 536 View Similar Items
Electric Heating Relay L40-032
Electric Heating Relay
Coil Voltage: 24VAC; Switch Action: SPST;
Brand: Resideo Mfg #: R841E1068
Catalog Pg.: 399 View Similar Items
Multiple Aquastat® Controller L39-944
Multiple Aquastat® Controller
Application: High Limit and Circulator; Switch Action: SPST; Diff.: 10°F Fixed;
Brand: Resideo Mfg #: L4081B1096
Catalog Pg.: 536 View Similar Items
Low Volt Electronic Thermostat — Ambient and Floor Heating Electric (Ambient) Heating and Floor Heating L45-646
Low Volt Electronic Thermostat — Ambient and Floor Heating Electric (Ambient) Heating and Floor Heating
Switch Action: SPST; Color: White;
Brand: Resideo Mfg #: TH114-AF-024T
Catalog Pg.: 316 View Similar Items
5101 Series Unit Heater Thermostat X89-805
5101 Series Unit Heater Thermostat
Description: Unit Heater Thermostat; Switch Action: DPST; Mounting: In-Built; Wt. Lbs.: 1;
Brand: TPI Mfg #: T5102
Catalog Pg.: 630 View Similar Items
FTL Finance
Powered by Site Search powered by SLI Systems

© 2025 Johnstone Supply. All rights reserved.

Select products to compare.
Compare