82 Results
Filters 6
Popularity Product Name Mfg. Part Number Order Number

Taco, Oil Heat Controls, Controls, HVACR Parts, Valves & Controls, Hydronics & Plumbing

Air Vent L41-609
Air Vent
Conn. Size: 1/8" NPT; Max. Pressure: 50 PSI;
Brand: Taco Mfg #: 400-4
Catalog Pg.: 511 View Similar Items
Replacement Power Unit L37-501
Replacement Power Unit
Description: Replacement Head;
Brand: Taco Mfg #: 555-050RP
Catalog Pg.: 533 View Similar Items
Heat Motor Zone Valve L37-499
Heat Motor Zone Valve
Description: Zone Valve; Conn. Size: 3/4" SWT; Normal Flow Range: 4.5 to 6.0 GPM; Temp. Range: 40°F to 240°F; Max. Working Pressure: 125 PSI; Pressure Drop Equiv. Ft.: 20;
Brand: Taco Mfg #: 571-2
Catalog Pg.: 533 View Similar Items
Air Vent L41-611
Air Vent
Conn. Size: 3/4" NPT; Max. Pressure: 150 PSI;
Brand: Taco Mfg #: 409-3
Catalog Pg.: 511 View Similar Items
Heat Motor Zone Valve Replacement Power Unit L38-555
Heat Motor Zone Valve Replacement Power Unit
Description: Replacement Head;
Brand: Taco Mfg #: 555-173RP
Catalog Pg.: 533 View Similar Items
Pressure Reducing Valve L41-607
Pressure Reducing Valve
Conn. Size: 1/2" Sweat (Inlet), 1/2" NPT (Outlet); Pressure Range PSIG: 10 to 25; Body Type: Cast Iron;
Brand: Taco Mfg #: 329-3
Catalog Pg.: 508 View Similar Items
Hydronic Switching Relay L46-420
Hydronic Switching Relay
Description: 1 Zone Relay; F/L Amps: 5.0; Width: 4-1/4"; Height: 5-1/4"; Depth: 2-3/4";
Brand: Taco Mfg #: SR501-4
Catalog Pg.: 533 View Similar Items
Zone Valve Control L46-429
Zone Valve Control
Description: 4 Zone w/Priority; Max. Output @ 24V: 40VA; Width: 10-1/4"; Height: 6-3/4"; Depth: 2-3/4";
Brand: Taco Mfg #: ZVC404-4
Catalog Pg.: 533 View Similar Items
Zone Sentry® Zone Valve L45-868
Zone Sentry® Zone Valve
Configuration: 2-Way; Conn. Size: 3/4" Sweat; Cv: 10.3; Volts: 24;
Brand: Taco Mfg #: Z075C2-2
Catalog Pg.: 532 View Similar Items
Pressure Reducing Valve L41-608
Pressure Reducing Valve
Conn. Size: 3/4" NPT (Inlet), 3/4" NPT (Outlet); Pressure Range PSIG: 10 to 50; Body Type: Bronze;
Brand: Taco Mfg #: 335-3
Catalog Pg.: 508 View Similar Items
Mixing Block L87-238
Mixing Block
Description: Radiant Mixing Block;
Brand: Taco Mfg #: RMB-1
Catalog Pg.: 534 View Similar Items
Flow Switch L41-615
Flow Switch
Min. Fluid Temp.: 250°F; Max. Pressure: 250 PSI;
Brand: Taco Mfg #: IFS01BF-1
Catalog Pg.: 526 View Similar Items
Variable Speed Pump Injection Mixing Control L41-625
Variable Speed Pump Injection Mixing Control
Description: Variable Speed Injection Mixing Control;
Brand: Taco Mfg #: PC705-2
Catalog Pg.: 533 View Similar Items
Mixing Block L87-239
Mixing Block
Description: X-Pump Block;
Brand: Taco Mfg #: XPB-1
Catalog Pg.: 534 View Similar Items
Lead Free Thermostatic Mixing Valves A.S.S.E 1017 Certified R57-422
Lead Free Thermostatic Mixing Valves A.S.S.E 1017 Certified
Conn. Size: 3/4"; Max. Flow: 10.6 GPM; Max. Pressure: 200 PSI;
Brand: Taco Mfg #: 5003-C3
Catalog Pg.: 519 View Similar Items
Hydronic Switching Relay L46-423
Hydronic Switching Relay
Description: 4 Zone w/Priority; F/L Amps: 20.0; Width: 10-1/4"; Height: 6-3/4"; Depth: 2-3/4";
Brand: Taco Mfg #: SR504-4
Catalog Pg.: 533 View Similar Items
Zone Valve Control L46-428
Zone Valve Control
Description: 3 Zone; Max. Output @ 24V: 40VA; Width: 10-1/4"; Height: 6-3/4"; Depth: 2-3/4";
Brand: Taco Mfg #: ZVC403-4
Catalog Pg.: 533 View Similar Items
Heat Motor Zone Valve L37-500
Heat Motor Zone Valve
Description: Zone Valve; Conn. Size: 1" SWT; Normal Flow Range: 6.0 to 10.0 GPM; Temp. Range: 40°F to 240°F; Max. Working Pressure: 125 PSI; Pressure Drop Equiv. Ft.: 60;
Brand: Taco Mfg #: 572-3
Catalog Pg.: 533 View Similar Items
Zone Valve Control L46-431
Zone Valve Control
Description: 6 Zone w/Priority; Max. Output @ 24V: 80VA; Width: 11-3/4"; Height: 7-1/2"; Depth: 3";
Brand: Taco Mfg #: ZVC406-4
Catalog Pg.: 533 View Similar Items
Hydronic Switching Relay L46-421
Hydronic Switching Relay
Description: 2 Zone w/Priority; F/L Amps: 15.0; Width: 10-1/4"; Height: 6-3/4"; Depth: 2-3/4";
Brand: Taco Mfg #: SR502-4
Catalog Pg.: 533 View Similar Items
Zone Sentry® Zone Valves L50-226
Zone Sentry® Zone Valves
Configuration: 2-Way; Conn. Size: 3/4" Press; Cv: 9.5; Volts: 24;
Brand: Taco Mfg #: Z075P2-2
Catalog Pg.: 532 View Similar Items
Lead Free Thermostatic Mixing Valves A.S.S.E 1017 Certified R57-423
Lead Free Thermostatic Mixing Valves A.S.S.E 1017 Certified
Conn. Size: 1"; Max. Flow: 22.5 GPM; Max. Pressure: 200 PSI;
Brand: Taco Mfg #: 5004-C3
Catalog Pg.: 519 View Similar Items
Hydronic Switching Relay L46-422
Hydronic Switching Relay
Description: 3 Zone w/Priority; F/L Amps: 15.0; Width: 10-1/4"; Height: 6-3/4"; Depth: 2-3/4";
Brand: Taco Mfg #: SR503-4
Catalog Pg.: 533 View Similar Items
LeakBreaker® Water Heater Shut-Off L49-970
LeakBreaker® Water Heater Shut-Off
Conn. Size: 3/4" NPT;
Brand: Taco Mfg #: LB-075-H-1LF
Catalog Pg.: 574 View Similar Items
FTL Finance
Powered by Site Search powered by SLI Systems

© 2025 Johnstone Supply. All rights reserved.

Select products to compare.
Compare