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We are a manufacturer and marketer of innovative products for heating, cooling, plumbing and process works applications. Our expertise is the control of temperature, pressure and flow of water-based fluids. Our products range from control valves, balancing devices and flow switches to zone relays and heat meters.

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Picture of TWISTFLOW™ RADIANT MANIFOLD ASSEMBLY 10 LOOP 1 INVERTED

TWISTFLOW™ RADIANT MANIFOLD ASSEMBLY 10 LOOP 1 INVERTED

CALEFFI:6686L5S1A IN
SKU: CALEFFI:6686L5S1A IN
$995.40
Picture of 3-WAY THERMOSTATIC  MIXING VALVE ASSE 1017 1 NPT

3-WAY THERMOSTATIC MIXING VALVE ASSE 1017 1 NPT

CALEFFI:523160A
SKU: CALEFFI:523160A
$995.68
Picture of 1 MANIFOLD ASSEMBLY 11 OUTLETS

1 MANIFOLD ASSEMBLY 11 OUTLETS

CALEFFI:6686M5S1A
SKU: CALEFFI:6686M5S1A
$995.68
Picture of 3-PORT FIXEDPOINT REG. UNIT W/UPS 15-58 PUMP

3-PORT FIXEDPOINT REG. UNIT W/UPS 15-58 PUMP

CALEFFI:1725C1A
SKU: CALEFFI:1725C1A
$997.25
Picture of REPLACEMENT FLOW METER (BODY ONLY) 1 TO 45 GPM

REPLACEMENT FLOW METER (BODY ONLY) 1 TO 45 GPM

CALEFFI:R79704
SKU: CALEFFI:R79704
$1,005.48
Picture of 1-1/4 MANIFOLD ASSEMBLY 11 OUTLETS

1-1/4 MANIFOLD ASSEMBLY 11 OUTLETS

CALEFFI:6687M5S1A
SKU: CALEFFI:6687M5S1A
$1,022.34
Picture of TWISTFLOW™ RADIANT MANIFOLD ASSEMBLY 10 LOOP 1 1/4 INVERTED

TWISTFLOW™ RADIANT MANIFOLD ASSEMBLY 10 LOOP 1 1/4 INVERTED

CALEFFI:6687L5S1A IN
SKU: CALEFFI:6687L5S1A IN
$1,024.80
Picture of 3-WAY THERMOSTATIC  MIXING VALVE ASSE 1017 1-1/4 SWT

3-WAY THERMOSTATIC MIXING VALVE ASSE 1017 1-1/4 SWT

CALEFFI:523178A
SKU: CALEFFI:523178A
$1,029.39
Picture of HIGH FLOW 3-WAY MIXING VALVE 1 PRESS

HIGH FLOW 3-WAY MIXING VALVE 1 PRESS

CALEFFI:523166A
SKU: CALEFFI:523166A
$1,048.21
Picture of SEP 4™ 4-IN-1 UNION  1 1/2 PRESS

SEP 4™ 4-IN-1 UNION 1 1/2 PRESS

CALEFFI:549568A
SKU: CALEFFI:549568A
$1,056.83
Picture of 1 MANIFOLD ASSEMBLY 12 OUTLETS

1 MANIFOLD ASSEMBLY 12 OUTLETS

CALEFFI:6686N5S1A
SKU: CALEFFI:6686N5S1A
$1,062.32
Picture of 4-PORT FIXEDPOINT REG. UNIT W/UPS 15-58 PUMP

4-PORT FIXEDPOINT REG. UNIT W/UPS 15-58 PUMP

CALEFFI:1725D1A
SKU: CALEFFI:1725D1A
$1,062.32
Picture of TWISTFLOW™ RADIANT MANIFOLD ASSEMBLY 11 LOOP 1 INVERTED

TWISTFLOW™ RADIANT MANIFOLD ASSEMBLY 11 LOOP 1 INVERTED

CALEFFI:6686M5S1A IN
SKU: CALEFFI:6686M5S1A IN
$1,066.80
Picture of 3-PORT FIXED POINT REG. UNIT W/PUMP

3-PORT FIXED POINT REG. UNIT W/PUMP

CALEFFI:1725C1A IN
SKU: CALEFFI:1725C1A IN
$1,068.48
Picture of SEP4 4-IN-1 AIR, DIRT, HYDRO & MAGNETIC SEPARATOR 2 SWT UNIO

SEP4 4-IN-1 AIR, DIRT, HYDRO & MAGNETIC SEPARATOR 2 SWT UNIO

CALEFFI:549599A
SKU: CALEFFI:549599A
$1,072.51
Picture of 3-WAY THERMOSTATIC  MIXING VALVE ASSE 1017 1-1/4 NPT

3-WAY THERMOSTATIC MIXING VALVE ASSE 1017 1-1/4 NPT

CALEFFI:523170A
SKU: CALEFFI:523170A
$1,075.65
Picture of DISCAL DIRTMAG™ AIR & DIRT SEPARATOR W/ MAGNET 1-1/2  SWEAT

DISCAL DIRTMAG™ AIR & DIRT SEPARATOR W/ MAGNET 1-1/2 SWEAT

CALEFFI:546198A
SKU: CALEFFI:546198A
$1,078.78
Picture of 1-1/4 MANIFOLD ASSEMBLY 12 OUTLETS

1-1/4 MANIFOLD ASSEMBLY 12 OUTLETS

CALEFFI:6687N5S1A
SKU: CALEFFI:6687N5S1A
$1,088.98
Picture of THERMOSTATIC FIXED TEMP MIXING UNIT 1 CONNECTION WITH 15-58

THERMOSTATIC FIXED TEMP MIXING UNIT 1 CONNECTION WITH 15-58

CALEFFI:166600A
SKU: CALEFFI:166600A
$1,095.25
Picture of THERMOSTATIC FIXED TEMP MIXING UNIT 1 CONNECTION WITH 15-58

THERMOSTATIC FIXED TEMP MIXING UNIT 1 CONNECTION WITH 15-58

CALEFFI:166610A
SKU: CALEFFI:166610A
$1,095.25
Picture of TWISTFLOW™ RADIANT MANIFOLD ASSEMBLY 11 LOOP 1 1/4 INVERTED

TWISTFLOW™ RADIANT MANIFOLD ASSEMBLY 11 LOOP 1 1/4 INVERTED

CALEFFI:6687M5S1A IN
SKU: CALEFFI:6687M5S1A IN
$1,095.36
Picture of HIGH FLOW 3-WAY MIXING VALVE 1 1/4 PRESS

HIGH FLOW 3-WAY MIXING VALVE 1 1/4 PRESS

CALEFFI:523176A
SKU: CALEFFI:523176A
$1,096.82
Picture of SEP4 4-IN-1 AIR, DIRT, HYDRO & MAGNETIC SEPARATOR 2 NPT FEMA

SEP4 4-IN-1 AIR, DIRT, HYDRO & MAGNETIC SEPARATOR 2 NPT FEMA

CALEFFI:549509A
SKU: CALEFFI:549509A
$1,099.17
Picture of 3-WAY THERMOSTATIC MIXING VALVE ASSE 1017 1-1/4 SWT W/TEMP G

3-WAY THERMOSTATIC MIXING VALVE ASSE 1017 1-1/4 SWT W/TEMP G

CALEFFI:523177A
SKU: CALEFFI:523177A
$1,107.01
Picture of DISCAL DIRTMAG™ AIR & DIRT SEPARATOR W/ MAGNET 1-1/2  NPT UN

DISCAL DIRTMAG™ AIR & DIRT SEPARATOR W/ MAGNET 1-1/2 NPT UN

CALEFFI:546108A
SKU: CALEFFI:546108A
$1,112.50
Picture of 5-PORT FIXEDPOINT REG. UNIT W/UPS 15-58 PUMP

5-PORT FIXEDPOINT REG. UNIT W/UPS 15-58 PUMP

CALEFFI:1725E1A
SKU: CALEFFI:1725E1A
$1,125.82
Picture of 1 MANIFOLD ASSEMBLY 13 OUTLETS

1 MANIFOLD ASSEMBLY 13 OUTLETS

CALEFFI:6686O5S1A
SKU: CALEFFI:6686O5S1A
$1,129.74
Picture of DISCAL DIRTMAG™ AIR & DIRT SEPARATOR W/ MAGNET 2  SWEAT UNIO

DISCAL DIRTMAG™ AIR & DIRT SEPARATOR W/ MAGNET 2 SWEAT UNIO

CALEFFI:546199A
SKU: CALEFFI:546199A
$1,131.31
Picture of 4-PORT FIXED POINT REG. UNIT W/PUMP

4-PORT FIXED POINT REG. UNIT W/PUMP

CALEFFI:1725D1A IN
SKU: CALEFFI:1725D1A IN
$1,138.20
Picture of TWISTFLOW™ RADIANT MANIFOLD ASSEMBLY 12 LOOP 1 INVERTED

TWISTFLOW™ RADIANT MANIFOLD ASSEMBLY 12 LOOP 1 INVERTED

CALEFFI:6686N5S1A IN
SKU: CALEFFI:6686N5S1A IN
$1,138.20
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