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1. Caleffi Air Separator
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Caleffi Air Separator
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Caleffi Air Separators are used to continuously remove the air contained in the hydronic circuits
of heating and cooling systems.
Caleffi Discal Air Separator 3/4 inch NPT Female - 551005A
Caleffi Discal Air Separator 1 inch NPT Female - 551006A
Caleffi Discal Air Separator 1-1/4 inch NPT Female - 551007A
Caleffi Discal Air Separator 1 inch Sweat - 551028A
Caleffi Discal Air Separator 1-1/4 inch Sweat - 551035A
Caleffi Air Separator Techs & Specs Manual
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2. Caleffi Dirt Separator
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Caleffi Dirt Separator
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The dirt separator separates off impurities, which are mainly made up of particles of sand and rust,
collecting them in a large collection chamber, from which they can be removed even while the system
is in operation.
Caleffi Dirt Separator 1 inch NPT - 546206A
Caleffi Dirt Separator 1-1/4 inch NPT - 546207A
Caleffi Dirt Separator Techs & Specs Manual
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3. Caleffi Air Vents
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Caleffi Air Vents
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Caleffi automatic air vent in brass with check valve for easy replacement of an air vent without purging
the system.
Caleffi Air Vent 1/8 inch NPT Model 502710A
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4. Caleffi Boiler Feed Valve & Back Flow Preventer
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Caleffi Boiler Feed Valve & Back Flow Preventer
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Pre-adjustable automatic filling unit, anti-scale, visual system pressure setting indicator.
Complete with manual shutoff valve, strainer and check valve.
Caleffi Autofill Boiler Feed Valve 1/2 inch SW inlet 1/2 inch NPT outlet - 553549A
Caleffi 1/2 inch SW BFP/AutoFill 1/2 inch NPT Female Outlet - 573009A
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5. Caleffi 2-Way Zone Valves
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Caleffi 2-Way Zone Valves
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The Z-one™, a two position spring return valve, is used in heating and air-conditioning systems. The
Z-one™ series consists of a Z1 actuator which is easily attached to a Z2 (2-way) or Z3 (3-way)
valve body.
Caleffi Z-one Quick Order Valve and actuator sets with 18 inch wire leads 24V - Z45
Caleffi Z-one Quick Order Valve and actuator sets with Terminal Block Connections 24V - Z55
Caleffi Z-one Quick Order Valve and actuator sets with Terminal Block Connections 24V - Z56
Caleffi Z-one Quick Order Valve and actuator sets with Terminal Block Connections Caleffi 24V - Z57
Caleffi Zone Valve Techs & Specs Manual
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6. Caleffi 1/2 inch PEX Radiant Heat Manifolds - NEW style
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Caleffi 1/2 inch PEX Radiant Heat Manifolds - NEW style
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- 1" or 1-1/4" NPT inlet ball valves
- Maximum working pressure: 150 psi
- Maximum temperature: 180°F
- Maximum peak temperature: 200°F
- Loop Cv: 1.23 (combined supply & return ports)
- Outlet center distance: 2 inches
Caleffi 1/2 inch PEX Manifold Sets - 3 ports to 12 ports
Caleffi Thermo-Electric Actuator/Zone Valve - normally closed
Flow Indicator - straight thread connection
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7. Caleffi 3/8 inch PEX Radiant Heat Manifolds - NEW style
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Caleffi 3/8 inch Radiant Heat Manifolds - NEW style
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- 1" or 1-1/4" NPT inlet ball valves
- Maximum working pressure: 150 psi
- Maximum temperature: 180°F
- Maximum peak temperature: 200°F
- Loop Cv: 1.23 (combined supply & return ports)
- Outlet center distance: 2 inches
Caleffi 3/8 inch PEX Manifold Sets - 3 - 12 ports
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8. Caleffi 5/8 inch PEX Radiant Heat Manifolds - NEW style
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Caleffi 5/8 inch Radiant Heat Manifolds - NEW style
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- 1" or 1-1/4" NPT inlet ball valves
- Maximum working pressure: 150 psi
- Maximum temperature: 180°F
- Maximum peak temperature: 200°F
- Loop Cv: 1.23 (combined supply & return ports)
- Outlet center distance: 2 inches
Caleffi 5/8 inch PEX Manifold Sets - 3 - 12 ports
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9. Caleffi 3/4 inch PEX Radiant Heat Manifolds - NEW style
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Caleffi 3/4 inch Radiant Heat Manifolds - NEW style
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- 1" or 1-1/4" NPT inlet ball valves
- Maximum working pressure: 150 psi
- Maximum temperature: 180°F
- Maximum peak temperature: 200°F
- Loop Cv: 1.23 (combined supply & return ports)
- Outlet center distance: 2 inches
Caleffi 3/4 inch PEX Manifold Sets - 3 - 12 ports
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10. Caleffi Solar Heating Expansion Tanks
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Caleffi Solar Expansion Tanks
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- Welded steel body
- Epoxy paint coating
- EPDM diaphragm
- Water, glycol solutions medium
- 50% maximum percentage of glycol
- System temperature range: 15...250°F
- Maximum diaphragm temperature: 210°F
- Maximum working pressure: 150 psi
- Pre-charged pressure: 35 psi
- Connection: 3/4" M
Caleffi Expansion tank 3 gallons, 3/4 inch straight thread connection - 259012
Caleffi Expansion tank 5 gallons, 3/4 inch straight thread connection - 259018
Caleffi Stainless steel tank connection kit 3/4 inch straight thread - 255001
Caleffi Solar Expansion Tank Information Manual
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11. Caleffi SolarFlex Pipe
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Caleffi SolarFlex Pipe
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SolarFlex is a system solution with pre-insulated flow and return pipes for solar hot water heating
systems used to connect the solar collector with the storage tank in an easy, quick and professional
way. It optimizes thermal efficiency of the entire system.
Caleffi 1/2 inch SolarFlex pipe 20 foot coil
Caleffi 1/2 inch SolarFlex pipe 30 foot coil
Caleffi 1/2 inch SolarFlex pipe 50 foot coil - NA3520-15
Caleffi 3/4 inch SolarFlex pipe 20 foot coil
Caleffi 3/4 inch SolarFlex pipe 30 foot coil
Caleffi 3/4 inch SolarFlex pipe 50 foot coil - NA3540-15
Caleffi SolarFlex Pipe hangers 3/4 inch pack of 4 hangers - NA12133
Caleffi SolarFlex Pipe hangers 1/2 inch pack of 4 hangers - NA12132
Caleffi Double nipple 1 inch male union for 3/4 inch Solar Flex - NA12123
Caleffi Double nipple 3/4 inch male union for 1/2 inch Solar Flex - NA12122
Caleffi Union nut 1 inch for 3/4 inch Solar Flex - R61008
Caleffi Union nut 3/4 inch for 1/2 inch Solar Flex - R41186
Caleffi Segment rings 3/4 inch SolarFlex - NA12113
Caleffi Segment rings 1/2 inch SolarFlex - NA12112
Caleffi Washer flat sealing 1 inch for 3/4 inch Solar Flex - R50055
Caleffi Washer flat sealing 3/4 inch for 1/2 inch Solar Flex - R50055
Caleffi 3/4 inch sweat to 1 inch union male adaptor - NA10061
Caleffi 1 inch sweat to 1 inch union male adaptor - NA10062
Caleffi 1 inch NPT to 1 inch union male adaptor - NA10064
Caleffi 22mm compression to 1 inch male union - 254462
Caleffi 22mm compression elbow to 1 inch male - NA254862
Caleffi Connection Kit for 3/4 inch SolarFlex - NA12103
Caleffi 22mm compression to 3/4 inch male union for 1/2 inch SolarFlex - 254452
Caleffi 22mm compression elbow to 3/4 inch male for 1/2 inch SolarFlex - 257852
Caleffi SolarFlex Pipe Techs & Specs Manual
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12. Caleffi iSolar Relay Controls
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Caleffi iSolar Relay Controls
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A multi-functional temperature differential controller with add-on system functions, the iSolar
series can be used for a wide variety of applications and has inputs for four PT1000 sensors. Preset
factory defaults are defined for control of a standard solar water heating system with a second
relay (some models) to divert any surplus heat.
Caleffi iSolar 1 with 1 pump control relay - 257210A
Caleffi iSolar 3 with 2 control relays for solar pump and second pump or valve - 257230A
Caleffi FKP6 collector sensor with 5 foot black cable - 257205
Caleffi FRP6 storage tank sensor with 8 foot gray cable - 257206
Caleffi FKP9 collector screw mount sensor with 5 foot black cable - 257207
Caleffi Replacement Fuse T4A - 257208
Caleffi iSolar Relay Controls Techs & Specs Manual
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13. Caleffi Solar Pump Station
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Caleffi Solar Pump Station
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The Caleffi Solar Pump Station is a pre-installed and leak-tested unit with fittings for
transferring heat from the collector to the storage tank. It contains important fittings
and safety devices for the operation of the solar thermal system.
Caleffi Dual solar pump station return & flow, Three-speed w/ 1 inch union male half for SolarFlex direct - 255060A
Caleffi Dual solar pump station return and flow, Three-speed with 3/4 inch sweat unions - 255059A
Caleffi Hand fill pump for solar stations - 255010A
Caleffi Solar Pump Station Techs & Specs Manual
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14. Caleffi Solar Heating Accessories
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Caleffi Solar Relief Valves
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Solar heating Systems Caleffi Safety Valves with a Maximum percentage of glycol of 50%,
Working temperature range from -25°F - 320°F, Discharge outlet 3/4" female and
Discharge capacity of 180,000 BTU.
Caleffi Safety Relief Valve 45 psi 1/2 inch female x 3/4 inch female - 253043
Caleffi Safety Relief Valve 60 psi 1/2 inch female x 3/4 inch female - 253044
Caleffi Safety Relief Valve 90 psi 1/2 inch female x 3/4 inch female - 253046
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15. Caleffi Differential Pressure By-Pass Valves
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Caleffi Differential Bypass Valves
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Caleffi differential pressure by-pass valve is used in systems with a fixed speed
circulating pump supplying several zones controlled by two way zone valves.
Caleffi Differential Bypass 3/4 inch NPT with 3/4 inch NPT Outlet - 519502A
Caleffi Differential Bypass 1 inch NPT with 1 inch NPT Outlet - 519600A
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16. Caleffi Backflow Preventers
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Caleffi Backflow Preventers
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The backflow preventer with atmospheric vent is designed to protect drinking water systems from the
return, caused by backsiphonage or backpressure, of contaminated fluids.
Caleffi Backflow Prev. 1/2 inch Swt/NPT Female Inlet/Outlet - 573493A
Caleffi Backflow Prev. 3/4 inch Swt/NPT Female Inlet/Outlet - 573503A
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16. Caleffi Ice and Snow Detector Series 605
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Caleffi Ice and Snow Detector
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Caleffi 605100A ice and snow detector is a microprocessor-based detector which activates a
single zone melting system. The detector uses inputs from connected sensor(s) to provide
automatic early detection of ice and snow conditions.
Caleffi Ice and Snow Detector includes Transformer - 605100A
Caleffi Pavement Sensor Including Sleeve with 65 foot Cable - 605020A
Caleffi Pavement Sensor Including Sleeve with 165 foot Cable - 605050A
Caleffi Outside Air Temperature Sensor for Ice and Snow Detector - 150004
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