Caleffi | First Supply

NOTICE: Due to planned maintenance, pricing and ordering functions will be unavailable from late Friday evening, January 16 to Saturday morning, January 17.

NOTICE: Website performance may be impacted by scheduled maintenance starting at 5:00 PM CST on 1/23/26

Serving the Midwest in HVAC, Plumbing, PVF, Well & Septic and Waterworks.

Site Search

{0} items in cart

loading content

Refine Results

: Air Vents(1)
Backflow Preventers(10)
Balancing Valves(18)
Brass & Copper Press Fittings(3)
Brass Pipe Fittings(11)
: 3/4 in(68)
1 in(52)
1/2 in(45)
1-1/4 in(27)
2 in(19)
: BRASS(60)
Steel(41)
DZR Brass(2)
Nylon(2)
Sheet Steel(1)
: PRESS(45)
C(34)
FNPT(24)
MNPT(14)
NPT(6)
: DZR(1)
DZR Forged Brass(1)
BRASS(93)
Brass Alloy(1)
Cast Iron(2)
: 300 psi(19)
365 psi(4)
400 PSI HWP, 600 PSI CWP(1)
Max 300 psi(1)
150 psi(43)
: 1 in C(1)
FNPT x FNPT(2)
Threaded NPT(2)
3/4 in C(1)
Solder / SWT(1)
: 240 deg F(4)
-20 to 320 deg F(2)
-20 to 360 deg F(1)
32 to 230 deg F(7)
32 to 195 deg F(2)

342 products

Sort

View

Per Page

content loaded

Caleffi MixCal™ 521516A 3-Way Adjustable Thermostatic and Pressure Balanced Mixing Valve w/ Temp Gauge, 3/4", Press, 200 psi, 1 gpm, LF Brass Body

Caleffi MixCal™ 521516A 3-Way Adjustable Thermostatic and Pressure Balanced Mixing Valve w/ Temp Gauge, 3/4", Press, 200 psi, 1 gpm, LF Brass Body

Item #CLF521516A

MFG #521516A

Compare

Caleffi VALCAL® 502243A Automatic Air Vent, 1/2", MNPT, 150 psi Max, 250 deg F, Brass

Caleffi VALCAL® 502243A Automatic Air Vent, 1/2", MNPT, 150 psi Max, 250 deg F, Brass

Item #CLF502243A

MFG #502243A

Compare

Caleffi AutoFill™ 573002A Pre-Adjustable Automatic Filling Valve With Backflow Preventer, 1/2", MNPTxFNPT, 175 psi, Brass Body

Caleffi AutoFill™ 573002A Pre-Adjustable Automatic Filling Valve With Backflow Preventer, 1/2", MNPTxFNPT, 175 psi, Brass Body

Item #CLF573002A

MFG #573002A

Compare

Caleffi Z111000 Z-One™ Normally Closed Actuator w/ 18" Wire Microswitch

Caleffi Z111000 Z-One™ Normally Closed Actuator w/ 18" Wire Microswitch

Item #CLFZ111000

MFG #Z111000

Compare

Caleffi 250041A Automatic Air Vent, 1/2", MNPT, 150 psi, -20 to 360 deg F, Brass, Import

Caleffi 250041A Automatic Air Vent, 1/2", MNPT, 150 psi, -20 to 360 deg F, Brass, Import

Item #CLF250041A

MFG #250041A

Compare

Caleffi AutoFill™ 573006A Pre-Adjustable Automatic Filling Valve, 1/2", Press, 175 psi, Brass Body

Caleffi AutoFill™ 573006A Pre-Adjustable Automatic Filling Valve, 1/2", Press, 175 psi, Brass Body

Item #CLF573006A

MFG #537006A

Compare

NA553376 Boiler Trim Kit, 1-1/4" Press

Item #CLFNA553376

MFG #NA553376

Compare

Caleffi AutoFill™ 573009A Pre-Adjustable Automatic Filling Valve, 1/2", CxFNPT, 175 psi, Brass Body

Caleffi AutoFill™ 573009A Pre-Adjustable Automatic Filling Valve, 1/2", CxFNPT, 175 psi, Brass Body

Item #CLF573009A

MFG #573009A

Compare

573493A FlowShield™ Backflow Preventer, 1/2", CxFNPT, Brass Body

573493A FlowShield™ Backflow Preventer, 1/2", CxFNPT, Brass Body

Item #CLF573493A

MFG #573493A

Compare

First Mobile presents FirstSupply.com in a tile-based menu on your phone!

First InStock is our scannable label program makes it easy to stock your shop with First Supply!