89 Results
Filters 5
Popularity Best Sellers Product Name Mfg. Part Number

120, Refrigerators & Freezers, Refrigeration Equipment, Refrigeration, Hydronics & Plumbing

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
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
V4044 Line Voltage Diverting Valves L37-468
V4044 Line Voltage Diverting Valves
Conn. Size: 1/2" Sweat; Volts: 120VAC, 60 Hz; Max. Ambient Temp.: 125°F; Min. Fluid Temp.: 40°F; Max. Fluid Temp.: 200°F;
Brand: Honeywell Home Mfg #: V4044A1019
Catalog Pg.: 530 View Similar Items
V4044 Line Voltage Diverting Valves L37-469
V4044 Line Voltage Diverting Valves
Conn. Size: 3/4" Sweat; Volts: 120VAC, 60 Hz; Max. Ambient Temp.: 125°F; Min. Fluid Temp.: 40°F; Max. Fluid Temp.: 200°F;
Brand: Honeywell Home Mfg #: V4044A1191
Catalog Pg.: 530 View Similar Items
Erie PopTop™ Zone Valve L37-582
Erie PopTop™ Zone Valve
Configuration: 2-Way; Conn. Size: 1/2" Sweat; Cv: 2.5; Volts: 120; Options: None;
Brand: Schneider Electric Mfg #: VT2212G13B020
Catalog Pg.: 528 View Similar Items
Erie PopTop™ Zone Valve L37-583
Erie PopTop™ Zone Valve
Configuration: 3-Way; Conn. Size: 1/2" Sweat; Cv: 3.5; Volts: 120; Options: None;
Brand: Schneider Electric Mfg #: VT3213G13B020
Catalog Pg.: 528 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
Erie PopTop™ Zone Valve L38-687
Erie PopTop™ Zone Valve
Configuration: 2-Way; Conn. Size: 3/4" Sweat; Cv: 3.5; Volts: 120; Options: None;
Brand: Schneider Electric Mfg #: VT2313G13B020
Catalog Pg.: 528 View Similar Items
Erie PopTop™ Zone Valve L38-689
Erie PopTop™ Zone Valve
Configuration: 2-Way; Conn. Size: 1" Sweat; Cv: 7.0; Volts: 120; Options: None;
Brand: Schneider Electric Mfg #: VT2417G13B020.
Catalog Pg.: 528 View Similar Items
Erie PopTop™ Zone Valve L38-690
Erie PopTop™ Zone Valve
Configuration: 3-Way; Conn. Size: 1/2" Sweat; Cv: 2.5; Volts: 120; Options: None;
Brand: Schneider Electric Mfg #: VT3212G13B020
Catalog Pg.: 528 View Similar Items
Erie PopTop™ Zone Valve L38-691
Erie PopTop™ Zone Valve
Configuration: 3-Way; Conn. Size: 3/4" Sweat; Cv: 3.5; Volts: 120; Options: None;
Brand: Schneider Electric Mfg #: VT3313G13B020
Catalog Pg.: 528 View Similar Items
Water Feeder for Steam Boilers L38-766
Water Feeder for Steam Boilers
Model #: 101A; Volts: 120;
Brand: McDonnell & Miller Mfg #: 169400
Catalog Pg.: 543 View Similar Items
Low Water Cut-Off for Steam Boilers L38-768
Low Water Cut-Off for Steam Boilers
Model #: 369; Insertion Length: 1-3/4"; Volts: 120;
Brand: McDonnell & Miller Mfg #: 155300
Catalog Pg.: 544 View Similar Items
Low Water Cut-Off for Steam Boilers L38-769
Low Water Cut-Off for Steam Boilers
Model #: 469; Insertion Length: 1-3/16"; Volts: 120;
Brand: McDonnell & Miller Mfg #: 155500
Catalog Pg.: 544 View Similar Items
Low Water Cut-Off For Steam Boilers Float Type L38-770
Low Water Cut-Off For Steam Boilers Float Type
Model #: 64; Volts: 120;
Brand: McDonnell & Miller Mfg #: 143600
Catalog Pg.: 546 View Similar Items
Low Water Cut-Off for Hot Water Boilers Electric L38-788
Low Water Cut-Off for Hot Water Boilers Electric
Model #: RB-122; Volts: 120VAC;
Brand: McDonnell & Miller Mfg #: 144676
Catalog Pg.: 548 View Similar Items
Water Feeder for Steam Boilers L38-790
Water Feeder for Steam Boilers
Model #: WF-2-U-120; Volts: 120;
Brand: McDonnell & Miller Mfg #: 169560
Catalog Pg.: 543 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
V4043 Line Voltage Zone Valve L40-092
V4043 Line Voltage Zone Valve
Conn. Size: 1/2" Sweat; Cv: 3.5; Volts: 120; Electrical Conn.: 18" Leads; De-Energized Position: N.C.; Temp. Range: 50°F to 240°F;
Brand: Honeywell Home Mfg #: V4043A1010
Catalog Pg.: 529 View Similar Items
V4043 Line Voltage Zone Valve L40-093
V4043 Line Voltage Zone Valve
Conn. Size: 3/4" Sweat; Cv: 7.0; Volts: 120; Electrical Conn.: 18" Leads; De-Energized Position: N.C.; Temp. Range: 50°F to 240°F;
Brand: Honeywell Home Mfg #: V4043A1259
Catalog Pg.: 529 View Similar Items
V4043 Line Voltage Zone Valve for Steam L40-094
V4043 Line Voltage Zone Valve for Steam
Conn. Size: 1/2" Sweat; Cv: 3.5; Volts: 120; Electrical Conn.: 18" Leads; De-Energized Position: N.C.; Temp. Range: 50°F to 240°F;
Brand: Honeywell Home Mfg #: V4043E1003
Catalog Pg.: 529 View Similar Items
Zone Valve Replacement Head L40-763
Zone Valve Replacement Head
Volts: 120VAC Replacement Powerhead for V4044A;
Brand: Honeywell Home Mfg #: 40003916-047
Catalog Pg.: 530 View Similar Items
Electric Water Feeder L41-631
Electric Water Feeder
Volts: 120;
Brand: Taco Mfg #: EWF120-1
View Similar Items
Hydro Air Fan Control L41-634
Hydro Air Fan Control
Volts: 120;
Brand: Taco Mfg #: HAFC201-4
Catalog Pg.: 534 View Similar Items
FTL Finance
Powered by Site Search powered by SLI Systems

© 2025 Johnstone Supply. All rights reserved.

Select products to compare.
Compare