161 Results
Filters 7
Popularity Product Name Mfg. Part Number Order Number

MARS, Bell & Gossett, Electrical Controls, Controls, HVACR Parts, Valves & Controls, Hydronics & Plumbing

Pressure Reducing Valve L47-349
Pressure Reducing Valve
Conn. Size: 1/2"; Pressure Range PSIG: 10 to 25;
Brand: Bell & Gossett Mfg #: FB-38
Catalog Pg.: 507 View Similar Items
Pressure Reducing Valve L47-347
Pressure Reducing Valve
Conn. Size: 3/4"; Pressure Range PSIG: 10 to 25;
Brand: Bell & Gossett Mfg #: B7-12
Catalog Pg.: 507 View Similar Items
Air Vent L39-689
Air Vent
Model #: 107A; Type: High Capacity; Conn. Size: 3/4" NPTF; Height: 9-5/8"; Width: 4-1/2";
Brand: Bell & Gossett Mfg #: 113076
Catalog Pg.: 512 View Similar Items
Air Vent L39-686
Air Vent
Model #: 4V; Type: Manual; Conn. Size: 1/8" NPTM; Height: 5/8"; Width: 5/8";
Brand: Bell & Gossett Mfg #: 113055
Catalog Pg.: 512 View Similar Items
P/T Plug Test Plug for Pressure or Temperature L37-383
P/T Plug Test Plug for Pressure or Temperature
Conn. Size: 1/4" FPT Gauge Adapter (Probe);
Brand: Bell & Gossett Mfg #: GA063S
Catalog Pg.: 540 View Similar Items
P/T Plug Test Plugs for Pressure or Temperature L39-833
P/T Plug Test Plugs for Pressure or Temperature
Conn. Size: 1/4" FPT Gauge Adapter (Heavy Duty Probe);
Brand: Bell & Gossett Mfg #: GA-125
Catalog Pg.: 540 View Similar Items
Air Vent L39-687
Air Vent
Model #: 97; Type: Automatic; Conn. Size: 1/8" NPTM; Height: 3-1/8"; Width: 1-7/8";
Brand: Bell & Gossett Mfg #: 113222
Catalog Pg.: 512 View Similar Items
Relief Valve L37-316
Relief Valve
Conn. Size: 3/4"; Body Type: Bronze; PSI Setting Relief: 30; Wt. Lbs.: 1.25;
Brand: Bell & Gossett Mfg #: 110121
Catalog Pg.: 507 View Similar Items
Pressure Reducing Valve L47-350
Pressure Reducing Valve
Conn. Size: 1/2"; Pressure Range PSIG: 10 to 25;
Brand: Bell & Gossett Mfg #: FB-38TU
Catalog Pg.: 507 View Similar Items
Pressure Reducing Valve L47-346
Pressure Reducing Valve
Conn. Size: 1/2"; Pressure Range PSIG: 10 to 25;
Brand: Bell & Gossett Mfg #: B-38
Catalog Pg.: 507 View Similar Items
Air Vent L39-688
Air Vent
Model #: 87; Type: Automatic; Conn. Size: 3/4" NPTM, 1/2" NPTF; Height: 4-3/4"; Width: 2-1/4";
Brand: Bell & Gossett Mfg #: 113021
Catalog Pg.: 512 View Similar Items
Relief Valve Lead Free L47-538
Relief Valve Lead Free
Conn. Size: 1/2"; Body Type: Bronze; PSI Setting Reducing: 12; PSI Setting Relief: 30;
Brand: Bell & Gossett Mfg #: 110197LF
Catalog Pg.: 509 View Similar Items
Relief Valve Lead Free L47-539
Relief Valve Lead Free
Conn. Size: 1/2"; Body Type: Iron; PSI Setting Reducing: 12; PSI Setting Relief: 30;
Brand: Bell & Gossett Mfg #: 110199LF
Catalog Pg.: 509 View Similar Items
P/T Plug Test Plug for Pressure or Temperature L37-381
P/T Plug Test Plug for Pressure or Temperature
Conn. Size: 1/4" MPT Plug;
Brand: Bell & Gossett Mfg #: PT25
Catalog Pg.: 540 View Similar Items
Zone Valve and Pump Controller L39-704
Zone Valve and Pump Controller
Model #: ZT-4; Description: 4 Zone w/Priority; Amps: 30; Width: 9-1/4"; Height: 7-1/4"; Depth: 2-3/4";
Brand: Bell & Gossett Mfg #: 109427
Catalog Pg.: 534 View Similar Items
MARS 780 Definite Purpose Contactor 3P, Box Lug L46-904
MARS 780 Definite Purpose Contactor 3P, Box Lug
Ind. F/L Amps: 40; Poles: 3; Coil Voltage: 24 VAC; Res. Amps: 50;
Brand: MARS Mfg #: 61445
View Similar Items
Magnetic Line Contactor DPST-N.O. 50/60 Hz L38-291
Magnetic Line Contactor DPST-N.O. 50/60 Hz
Ind. F/L Amps: 30; Poles: 2; Coil Voltage: 24 VAC; Res. Amps: 30;
Brand: MARS Mfg #: 18001
Catalog Pg.: 331 View Similar Items
P/T Plug Test Plug for Pressure or Temperature L37-382
P/T Plug Test Plug for Pressure or Temperature
Conn. Size: 1/2" MPT Plug;
Brand: Bell & Gossett Mfg #: PT50
Catalog Pg.: 540 View Similar Items
MARS 780 Definite Purpose Contactor 2P, Box Lug L46-958
MARS 780 Definite Purpose Contactor 2P, Box Lug
Ind. F/L Amps: 40; Poles: 2; Coil Voltage: 24 VAC; Res. Amps: 50;
Brand: MARS Mfg #: 61755
View Similar Items
P/T Plug Test Plugs for Pressure or Temperature L39-831
P/T Plug Test Plugs for Pressure or Temperature
Conn. Size: 1/4" x 1-3/4" Brass Plug Extension;
Brand: Bell & Gossett Mfg #: BTX-250
Catalog Pg.: 540 View Similar Items
Valve Body R57-418
Valve Body
Model #: SZV-000-4WE; Application: Replacement Actuator;
Brand: Bell & Gossett Mfg #: 109518
Catalog Pg.: 528 View Similar Items
Zone Valve R57-407
Zone Valve
Model #: SZV-050S-4WE; Conn. Size: 3/4" Sweat;
Brand: Bell & Gossett Mfg #: 109501
Catalog Pg.: 528 View Similar Items
MARS 780 Definite Purpose Contactor 3P, Box Lug L46-906
MARS 780 Definite Purpose Contactor 3P, Box Lug
Ind. F/L Amps: 40; Poles: 3; Coil Voltage: 208-240; Res. Amps: 50;
Brand: MARS Mfg #: 61447
View Similar Items
Pressure Reducing Valve L47-348
Pressure Reducing Valve
Conn. Size: 3/4"; Pressure Range PSIG: 25 to 60;
Brand: Bell & Gossett Mfg #: 7
Catalog Pg.: 507 View Similar Items
FTL Finance
Powered by Site Search powered by SLI Systems

© 2025 Johnstone Supply. All rights reserved.

Select products to compare.
Compare