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Relief Valves, Low Water Cut-Offs, Valves & Controls, System Components, Hydronics & Plumbing

3/4" Pressure Safety Relief Valve R55-746
3/4" Pressure Safety Relief Valve
Model #: M335M2-030 3/4; Inlet Conn.: 3/4" Male; Outlet Conn.: 3/4" Female; Conn. Size: 3/4" Male; Body Type: Bronze; Pressure Setting: 30; BtuH: 510,000;
Brand: Watts Mfg #: 0342692
Catalog Pg.: 506 View Similar Items
Hot Water Expansion Tank L86-191
Hot Water Expansion Tank
Type: Extrol - Hydronic; Tank Size: 4.4 Gal.; Max. Volume: 2.5 Gal.; Diameter: 11"; Height: 15-1/2";
Brand: Amtrol Mfg #: 30
Catalog Pg.: 504 View Similar Items
3/4" Pressure Safety Relief Valve R55-747
3/4" Pressure Safety Relief Valve
Model #: 335M2-030 3/4; Inlet Conn.: 3/4" Female; Outlet Conn.: 3/4" Female; Conn. Size: 3/4" Female; Body Type: Bronze; Pressure Setting: 30; BtuH: 510,000;
Brand: Watts Mfg #: 0342691
Catalog Pg.: 506 View Similar Items
3/4" Iron Boiler Pressure Relief Valve Forged Bronze inlet 30 PSI For Protection of Hot Water Heating Boilers R54-684
3/4" Iron Boiler Pressure Relief Valve Forged Bronze inlet 30 PSI For Protection of Hot Water Heating Boilers
Model #: 374A-BRZ-030 CAN; Inlet Conn.: 3/4"; Outlet Conn.: 3/4"; Conn. Size: 3/4"; Body Type: Iron — Bronze Inlet; Pressure Setting: 30; BtuH: 550,000;
Brand: Watts Mfg #: 358553
Catalog Pg.: 507 View Similar Items
Water Heater Expansion Tank for Potable Water L86-193
Water Heater Expansion Tank for Potable Water
Type: Therm-X-Trol - Potable; Tank Size: 2.0 Gal.; Max. Volume: 1.0 Gal.; Diameter: 8"; Height: 12-5/8";
Brand: Amtrol Mfg #: ST-5
Catalog Pg.: 504 View Similar Items
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
Replacement Head Mechanism L86-155
Replacement Head Mechanism
Model #: 150S-HD;
Brand: McDonnell & Miller Mfg #: 173003
Catalog Pg.: 546 View Similar Items
Hot Water Expansion Tank L86-192
Hot Water Expansion Tank
Type: Extrol - Hydronic; Tank Size: 7.6 Gal.; Max. Volume: 2.5 Gal.; Diameter: 11"; Height: 23";
Brand: Amtrol Mfg #: 60
Catalog Pg.: 504 View Similar Items
Hot Water Expansion Tank L86-190
Hot Water Expansion Tank
Type: Extrol - Hydronic; Tank Size: 2.0 Gal.; Max. Volume: 1.0 Gal.; Diameter: 8"; Height: 12-5/8";
Brand: Amtrol Mfg #: 15
Catalog Pg.: 504 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
Low Water Cut-Off For Steam Boilers L37-423
Low Water Cut-Off For Steam Boilers
Model #: 67;
Brand: McDonnell & Miller Mfg #: 149400
Catalog Pg.: 544 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
3/4" Bronze Boiler Pressure Relief Valve 30 PSI For Protection of Hot Water Heating Boilers R54-685
3/4" Bronze Boiler Pressure Relief Valve 30 PSI For Protection of Hot Water Heating Boilers
Model #: 174A-030 3/4; Inlet Conn.: 3/4"; Outlet Conn.: 3/4"; Conn. Size: 3/4"; Body Type: Bronze; Pressure Setting: 30*; BtuH: 650,000;
Brand: Watts Mfg #: 274428
Catalog Pg.: 507 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
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
Hydronic Baseboard Heater Model R, 3/4" Copper Tube, 3' to 8' Lengths N98-064
Hydronic Baseboard Heater Model R, 3/4" Copper Tube, 3' to 8' Lengths
Length: 8'; Width: 2-7/8"; Height: 7-7/16"; Wt. Lbs.: 18; Heating Capacity 1 GPM @ 180°F: 560;
Brand: Heatrim American Mfg #: RB-750-A8
Catalog Pg.: 552 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
SafGard Low Water Cut-Off For Hot Water Boilers L42-933
SafGard Low Water Cut-Off For Hot Water Boilers
Model #: 550; Reset Type: Manual Reset w/ Test Button; Volts: 120;
Brand: Hydrolevel Mfg #: 45-550
Catalog Pg.: 549 View Similar Items
Boiler-Water Feeder Cut-Off Combination L86-137
Boiler-Water Feeder Cut-Off Combination
Model #: 47-2;
Brand: McDonnell & Miller Mfg #: 132800
Catalog Pg.: 543 View Similar Items
Hydronic Electric Baseboard Heater N98-129
Hydronic Electric Baseboard Heater
Length: 48"; Amps: 8.3; BtuH: 3,413; Volts: 120; Watts: 1,000;
Brand: TPI Mfg #: E3910-48
Catalog Pg.: 552 View Similar Items
Water Heater Expansion Tank for Potable Water L86-194
Water Heater Expansion Tank for Potable Water
Type: Therm-X-Trol - Potable; Tank Size: 4.4 Gal.; Max. Volume: 3.2 Gal.; Diameter: 11"; Height: 15";
Brand: Amtrol Mfg #: ST-12
Catalog Pg.: 504 View Similar Items
Low Water Cut-Off for Hot Water Boilers L38-787
Low Water Cut-Off for Hot Water Boilers
Model #: RB-24E; Volts: 24;
Brand: McDonnell & Miller Mfg #: 144692
Catalog Pg.: 548 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
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