137 Results
Filters 5
Popularity Product Name Mfg. Part Number Order Number

Switches, Radiant Heat Systems, Valves & Controls, System Components, Hydronics & Plumbing

Flow Switch L37-332
Flow Switch
Type: FS-251; GPM Min. Flow: 6.00; GPM Min. No Flow: 3.60; GPM Max. Flow: 10.20; GPM Max. No Flow: 9.20; Max. Fluid Temp.: 300°F; Max. Pressure: 150 PSI;
Brand: McDonnell & Miller Mfg #: 120611
Catalog Pg.: 526 View Similar Items
Flow Switch L37-333
Flow Switch
Type: FS-254; GPM Min. Flow: 4.90; GPM Min. No Flow: 3.40; GPM Max. Flow: 17.60; GPM Max. No Flow: 15.00; Max. Fluid Temp.: 225°F; Max. Pressure: 150 PSI;
Brand: McDonnell & Miller Mfg #: 120610
Catalog Pg.: 526 View Similar Items
Pex-A Pipe w/ Oxygen Barrier N98-096
Pex-A Pipe w/ Oxygen Barrier
Description: 5/8" 1000ft O2 Barrier HeatLink UV Stabilized PEX-a Tubing; Wt. Lbs.: 80.5;
Brand: HeatLink Mfg #: 94119
Catalog Pg.: 550 View Similar Items
Pex-A Pipe w/ Oxygen Barrier N98-095
Pex-A Pipe w/ Oxygen Barrier
Description: ½" 1000ft O2 Barrier HeatLink UV Stabilized PEX-a Tubing; Wt. Lbs.: 55.21;
Brand: HeatLink Mfg #: 94105
Catalog Pg.: 550 View Similar Items
Pex-A Pipe UV Stabilized N87-519
Pex-A Pipe UV Stabilized
Description: 3/4" 500ft O2 Barrier HeatLink® UV Stabilized PEX-a Tubing; Wt. Lbs.: 55.52;
Brand: HeatLink Mfg #: 94522
Catalog Pg.: 550 View Similar Items
Foamboard Staples H26-552
Foamboard Staples
Description: 2-1/2" Staple (200/Box) for 2" Foamboard;
Brand: Malco Mfg #: FBSN2
View Similar Items
Flow Switch L40-232
Flow Switch
Type: FS7-4W; GPM Min. Flow: 4.80; GPM Min. No Flow: 3.00; GPM Max. Flow: 7.70; GPM Max. No Flow: 5.90; Max. Fluid Temp.: 300°F; Max. Pressure: 300 PSI;
Brand: McDonnell & Miller Mfg #: 120201
Catalog Pg.: 526 View Similar Items
Automatic Change-Over Switch L36-145
Automatic Change-Over Switch
F/L Amps @ 120V: 7.5; F/L Amps @ 240V: 3.75; L/R Amps @ 120V: 45; L/R Amps @ 240V: 22.5; Res. Amps: 15; VA Rating: 125;
Brand: White-Rodgers Mfg #: 752-1
Catalog Pg.: 531 View Similar Items
Flow Switch L38-791
Flow Switch
Type: FS4-3-RP-T; GPM Min. Flow: 6.00; GPM Min. No Flow: 3.60; GPM Max. Flow: 10.20; GPM Max. No Flow: 9.20; Max. Fluid Temp.: 300°F; Max. Pressure: 150 PSI;
Brand: McDonnell & Miller Mfg #: 114650
Catalog Pg.: 526 View Similar Items
Flow Switch L86-133
Flow Switch
Type: FS7-4; GPM Min. Flow: 4.80; GPM Min. No Flow: 3.00; GPM Max. Flow: 7.70; GPM Max. No Flow: 5.90; Max. Fluid Temp.: 300°F; Max. Pressure: 300 PSI;
Brand: McDonnell & Miller Mfg #: 119700
Catalog Pg.: 526 View Similar Items
Flow Switch L40-231
Flow Switch
Type: FS6-1; GPM Min. Flow: 0.12; GPM Min. No Flow: 0.06; GPM Max. Flow: 2.50; GPM Max. No Flow: 1.50; Max. Fluid Temp.: 225°F; Max. Pressure: 100 PSI;
Brand: McDonnell & Miller Mfg #: 115600
Catalog Pg.: 526 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
8-Loop 1-1/4" SS Manifold with Flow Meter N87-537
8-Loop 1-1/4" SS Manifold with Flow Meter
Description: 8-Loop 1-1/4" SS Manifold with Flow Meter; Wt. Lbs.: 12.32;
Brand: HeatLink Mfg #: 76108
Catalog Pg.: 550 View Similar Items
7-Loop 1-1/4" SS Manifold with Flow Meter N87-536
7-Loop 1-1/4" SS Manifold with Flow Meter
Description: 7-Loop 1-1/4" SS Manifold with Flow Meter; Wt. Lbs.: 11.44;
Brand: HeatLink Mfg #: 76107
Catalog Pg.: 550 View Similar Items
6-Loop 1-1/4" SS Manifold with Flow Meter N87-535
6-Loop 1-1/4" SS Manifold with Flow Meter
Description: 6-Loop 1-1/4" SS Manifold with Flow Meter; Wt. Lbs.: 10.56;
Brand: HeatLink Mfg #: 76106
Catalog Pg.: 550 View Similar Items
Injection Control to Regulate Water Temperature N45-104
Injection Control to Regulate Water Temperature
Description: Injection Control to Regulate Water Temperature; Wt. Lbs.: 1.5;
Brand: HeatLink Mfg #: 31355
Catalog Pg.: 550 View Similar Items
12-Loop 1-1/4" SS Manifold with Flow Meter N87-541
12-Loop 1-1/4" SS Manifold with Flow Meter
Description: 12-Loop 1-1/4" SS Manifold with Flow Meter; Wt. Lbs.: 15.4;
Brand: HeatLink Mfg #: 76112
Catalog Pg.: 550 View Similar Items
10-Loop 1-1/4" SS Manifold with Flow Meter N87-539
10-Loop 1-1/4" SS Manifold with Flow Meter
Description: 10-Loop 1-1/4" SS Manifold with Flow Meter; Wt. Lbs.: 13.64;
Brand: HeatLink Mfg #: 76110
Catalog Pg.: 550 View Similar Items
9-Loop 1-1/4" SS Manifold with Flow Meter N87-538
9-Loop 1-1/4" SS Manifold with Flow Meter
Description: 9-Loop 1-1/4" SS Manifold with Flow Meter; Wt. Lbs.: 13.2;
Brand: HeatLink Mfg #: 76109
Catalog Pg.: 550 View Similar Items
11-Loop 1-1/4" SS Manifold with Flow Meter N87-540
11-Loop 1-1/4" SS Manifold with Flow Meter
Description: 11-Loop 1-1/4" SS Manifold with Flow Meter; Wt. Lbs.: 14.52;
Brand: HeatLink Mfg #: 76111
Catalog Pg.: 550 View Similar Items
Mini-Deluxe Supply/Return Module N45-166
Mini-Deluxe Supply/Return Module
Description: Mini-Deluxe Supply/Return Module (1 Pair); Wt. Lbs.: 0.66;
Brand: HeatLink Mfg #: 78200
Catalog Pg.: 550 View Similar Items
90° Conduit Elbow Pex Pipe N45-127
90° Conduit Elbow Pex Pipe
Description: 1/2" 90° Conduit Elbow for 3/8" & 1/2" Pex Pipe; Wt. Lbs.: 0.07;
Brand: HeatLink Mfg #: 86005
Catalog Pg.: 550 View Similar Items
Pex-A Pipe UV Stabilized N87-482
Pex-A Pipe UV Stabilized
Description: 3/4" 1000ft O2 Barrier Heatlink® UV Stabilized PEX-a Tubing; Wt. Lbs.: 104.8;
Brand: HeatLink Mfg #: 94122
View Similar Items
Pipe Tracking N98-025
Pipe Tracking
Description: Pipe Tracking for 3/8", 1/2" & 5/8" Pex Pipe (4'); Wt. Lbs.: 0.12;
Brand: HeatLink Mfg #: 89000
Catalog Pg.: 550 View Similar Items
FTL Finance
Powered by Site Search powered by SLI Systems

© 2025 Johnstone Supply. All rights reserved.

Select products to compare.
Compare