Hydronics & Plumbing Test Instruments Temperature & Humidity Measurement Testing, Tools & Training Training Software Caleffi ESP Mainstream Engineering
43 Results
Mainstream Engineering, ESP, Caleffi, Software, Training, Testing, Tools & Training, Temperature & Humidity Measurement, Test Instruments, Hydronics & Plumbing
L47-564
MixCal 3-Way Thermostatic Mixing Valves 1" SWT with Temperature Gauge
Model #: 521619A; Conn. Size: 1"; Temp. Range: 85° to 150° F; Min. Flow Rate: 1.3 GPM; 4 Ft./Sec. Res. Max. Flow: 12 GPM; 6 Ft./Sec. Com. Max. Flow: 18 GPM; Cv: 3; Body Type: Brass; Max. Flow: 20; Max. Pressure: 200 PSI; Application: Potable / Heating;
Brand: Caleffi
Mfg #: 521619A
L80-353
Hydronic Separator
Description: 1" Sweat Unions; Max. Pressure: 150 PSI; Max. Operating Temp.: 210;
Brand: Caleffi
Mfg #: 548096A
Solar Package Components and Accessories
Description: Dual Line Solar Pump Station Return & Flow, 3-Speed w/out Fittings;
Brand: Caleffi
Mfg #: 279051A
L47-560
Spring Return Zone Valve
Description: 1" Sweat, 7.5Cv, 20 PSI Delta P, Zone valve, w/ micro switch; Conn. Size: 1" SWT; Cv: 7.5; Electrical Conn.: 24V; De-Energized Position: Closed; Temp. Range: 32 - 240 F; Max. Working Pressure: 300 PSI; VA Rating: 7; Max. Ambient Temp.: 104F; Min. Fluid Temp.: 32F; Max. Fluid Temp.: 240F;
Brand: Caleffi
Mfg #: Z56
L44-662
Automatic Filling Valve
Description: 1/2" Sweat Inlet x 1/2" NPT Outlet; Max. Pressure: 230 PSI; Temp. °F: 150;
Brand: Caleffi
Mfg #: 553549A
L47-561
Spring Return Zone Valve
Description: 1 1/4" Sweat, 7.5Cv, 20 PSI Delta P, Zone valve, w/ micro switch; Conn. Size: 1 1/4" SWT; Cv: 7.5; Electrical Conn.: 24V; De-Energized Position: Closed; Temp. Range: 32 - 240 F; Max. Working Pressure: 300 PSI; VA Rating: 7; Max. Ambient Temp.: 104F; Min. Fluid Temp.: 32F; Max. Fluid…
Brand: Caleffi
Mfg #: Z57
L80-354
Hydronic Separator
Description: 1" NPT Unions; Max. Pressure: 150 PSI; Max. Operating Temp.: 210;
Brand: Caleffi
Mfg #: 548006A
Solar Package Components and Accessories
Description: Pre-Mixed High Temp. Propylene Glycol 40%, 5 Gal. Bucket;
Brand: Caleffi
Mfg #: NA10103
L44-657
Air Separator
Description: 1-1/2" NPT; Max. Pressure: 150 PSI; Max. Operating Temp.: 250;
Brand: Caleffi
Mfg #: 551008A
L44-656
Air Separator
Description: 1-1/4" NPT; Max. Pressure: 150 PSI; Max. Operating Temp.: 250;
Brand: Caleffi
Mfg #: 551007A
L44-655
Air Separator
Description: 1-1/4" Sweat; Max. Pressure: 150 PSI; Max. Operating Temp.: 250;
Brand: Caleffi
Mfg #: 551035A
L44-654
Air Separator
Description: 1" NPT; Max. Pressure: 150 PSI; Max. Operating Temp.: 250;
Brand: Caleffi
Mfg #: 551006A
L44-653
Air Separator
Description: 1" Sweat; Max. Pressure: 150 PSI; Max. Operating Temp.: 250;
Brand: Caleffi
Mfg #: 551028A
L44-658
Air Separator
Description: 2" NPT; Max. Pressure: 150 PSI; Max. Operating Temp.: 250;
Brand: Caleffi
Mfg #: 551009A
Solar Air Vent and Air Shutoff Valve
Description: Automatic Air Vent; NPT Size: 1/2" Male; Working Temp. °F: 360;
Brand: Caleffi
Mfg #: 250041A
Solar Air Vent and Air Shutoff Valve
Description: Shutoff Air Vent Valve; NPT Size: 1/2" M x F; Working Temp. °F: 360;
Brand: Caleffi
Mfg #: NA29284
Solar Expansion Tank
Description: Expansion Tank 5 Gal., 3/4" Straight Thread;
Brand: Caleffi
Mfg #: 259018
Solar Expansion Tank
Description: Expansion Tank 3 Gal., 3/4" Straight Thread;
Brand: Caleffi
Mfg #: 259012
Solar Expansion Tank
Description: Tank Connection Kit, 3/4" Straight Thread;
Brand: Caleffi
Mfg #: 255001
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