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

Water Feeders, Gauges, Valves & Controls, System Components, Hydronics & Plumbing

Tri-O-Meter Boiler Gauge L39-654
Tri-O-Meter Boiler Gauge
Type: 2.5" Round; PSI: 0 to 75; Conn.: 1/4" NPT, Back w/2" Extension;
Brand: Weiss Mfg #: CTP25RX
Catalog Pg.: 541 View Similar Items
Tri-O-Meter Boiler Gauge L39-655
Tri-O-Meter Boiler Gauge
Type: 2.5" Round; PSI: 0 to 75; Conn.: 1/4" NPT, Back;
Brand: Weiss Mfg #: CTP25R
Catalog Pg.: 541 View Similar Items
Commercial Pressure Gauge L41-717
Commercial Pressure Gauge
PSI: 0 to 100;
Brand: Weiss Mfg #: 4CTS-100
Catalog Pg.: 541 View Similar Items
Liquid-Filled Severe Service Gauge L38-642
Liquid-Filled Severe Service Gauge
Type: 2-1/2" Round; Range: 0 to 100 PSI/Bar;
Brand: Weiss Mfg #: LF251-100-4L
Catalog Pg.: 541 View Similar Items
Pressure Gauge L38-168
Pressure Gauge
PSI: 0 to 100; Conn.: 1/4" NPT, Bottom;
Brand: Weiss Mfg #: TL20-100-4L
Catalog Pg.: 540 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
Pressure Gauge L38-164
Pressure Gauge
PSI: 0 to 60; Conn.: 1/4" NPT, Bottom;
Brand: Weiss Mfg #: TL20-060-4L
Catalog Pg.: 540 View Similar Items
Industrial Glass Vari-Angle® Thermometer L87-242
Industrial Glass Vari-Angle® Thermometer
Length: 3-1/2"; Temp. Range: 30°F to 240°F;
Brand: Weiss Mfg #: 9VU35-240
Catalog Pg.: 542 View Similar Items
Water Feeder for Steam Boilers L38-767
Water Feeder for Steam Boilers
Model #: 101A-24; Volts: 24;
Brand: McDonnell & Miller Mfg #: 169500
Catalog Pg.: 543 View Similar Items
Pressure Gauge L38-171
Pressure Gauge
PSI: 0 to 200; Conn.: 1/4" NPT, Bottom;
Brand: Weiss Mfg #: TL20-200-4L
Catalog Pg.: 540 View Similar Items
Pressure Gauge & Temperature Gauge L46-625
Pressure Gauge & Temperature Gauge
Description: Pressure Gauge; PSI: 0 - 300; Conn.: 3/4" H.T. hose connection;
Brand: Watts Mfg #: 0069721
Catalog Pg.: 540 View Similar Items
Digital Vari-Angle® Thermometer L87-245
Digital Vari-Angle® Thermometer
Description: 3-1/2" Stem;
Brand: Weiss Mfg #: DVU35
Catalog Pg.: 542 View Similar Items
Tri-O-Meter Boiler Gauge L39-656
Tri-O-Meter Boiler Gauge
Type: 4.0" Square; PSI: 0 to 75; Conn.: 1/2" NPT, Back;
Brand: Weiss Mfg #: CTP40RSX
Catalog Pg.: 541 View Similar Items
Pressure Gauge L38-160
Pressure Gauge
PSI: 0 to 30; Conn.: 1/4" NPT, Bottom;
Brand: Weiss Mfg #: TL20-030-4L
Catalog Pg.: 540 View Similar Items
Thermowell, 3/4" NPT 3-1/2" Brass Socket L41-713
Thermowell, 3/4" NPT 3-1/2" Brass Socket
Description: Thermowell, 3/4" NPT 3-1/2" Brass Socket;
Brand: Weiss Mfg #: E35-75BS
Catalog Pg.: 542 View Similar Items
Liquid-Filled Severe Service Gauge L38-641
Liquid-Filled Severe Service Gauge
Type: 2-1/2" Round; Range: 0 to 60 PSI/Bar;
Brand: Weiss Mfg #: LF251-060-4L
Catalog Pg.: 541 View Similar Items
Gauge Glass Washer G38-261
Gauge Glass Washer
Brand: Westwood Mfg #: H6-10
View Similar Items
Tri-O-Meter Boiler Gauge L39-657
Tri-O-Meter Boiler Gauge
Type: 4.0" Square; PSI: 0 to 75; Conn.: 1/2" NPT, Bottom;
Brand: Weiss Mfg #: CTP40L
Catalog Pg.: 541 View Similar Items
Commercial Pressure Gauge L41-716
Commercial Pressure Gauge
PSI: 0 to 60;
Brand: Weiss Mfg #: 4CTS-060
Catalog Pg.: 541 View Similar Items
VXT Automatic Water Feeder For Steam Boilers L42-938
VXT Automatic Water Feeder For Steam Boilers
Model #: VXT-24; Volts: 24;
Brand: Hydrolevel Mfg #: 45-026
Catalog Pg.: 543 View Similar Items
Industrial Glass Vari-Angle® Thermometer L87-240
Industrial Glass Vari-Angle® Thermometer
Length: 3-1/2"; Temp. Range: 0°F to 120°F;
Brand: Weiss Mfg #: 9VU35-120
Catalog Pg.: 542 View Similar Items
Hot Water Bi-Metal Dial Thermometer L41-720
Hot Water Bi-Metal Dial Thermometer
Brand: Weiss Mfg #: HWBM25
Catalog Pg.: 541 View Similar Items
Water Feeder for Steam Boilers L38-789
Water Feeder for Steam Boilers
Model #: WF-2-U-24; Volts: 24;
Brand: McDonnell & Miller Mfg #: 169550
Catalog Pg.: 543 View Similar Items
Liquid-Filled Severe Service Gauge L38-640
Liquid-Filled Severe Service Gauge
Type: 2-1/2" Round; Range: 0 to 30 PSI/Bar;
Brand: Weiss Mfg #: LF251-030-4L
Catalog Pg.: 541 View Similar Items
FTL Finance
Powered by Site Search powered by SLI Systems

© 2025 Johnstone Supply. All rights reserved.

Select products to compare.
Compare