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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 Automatic High Discharge Air Vent - 1/2 inch NPT 320 Degress - 251004A
Caleffi Micro-bubbles Air Separator - 3/4 inch NPT 320 Degress - 251003A
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 Zone Valve 24 volt Normally Closed 2-way 3/4 inch Sweat - Z45
Caleffi Zone Valve 24 volt Normally Closed 2-way, 3/4 inch Sweat - Z55
Caleffi Zone Valve 24 volt Normally Closed 2-way, 1 inch Sweat - Z56
Caleffi Zone Valve 24 volt Normally Closed 2-way, 1-1/4 inch Sweat - Z57
Caleffi Zone Valve Actuator Normally Closed 24 Volt with 18 inch wire - Z111000
Caleffi Zone Valve Techs & Specs Manual
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6. Caleffi 1/2 inch PEX Radiant Heat Manifolds
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Caleffi 1/2 inch PEX Manifold Sets
- 3 ports to 12 ports
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- 1" 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 3 Port Manifold Set with Sight Flow - 6686C5S1A
Caleffi 1/2 inch PEX 4 Port Manifold Set with Sight Flow - 6686D5S1A
Caleffi 1/2 inch PEX 5 Port Manifold Set with Sight Flow - 6686E5S1A
Caleffi 1/2 inch PEX 6 Port Manifold Set with Sight Flow - 6686F5S1A
Caleffi 1/2 inch PEX 7 Port Manifold Set with Sight Flow - 6686G5S1A
Caleffi 1/2 inch PEX 8 Port Manifold Set with Sight Flow - 6686H5S1A
Caleffi 1/2 inch PEX 9 Port Manifold Set with Sight Flow - 6686I5S1A
Caleffi 1/2 inch PEX 9 Port Manifold Set with Sight Flow - 6686I5S1A
Caleffi 1/2 inch PEX 11 Port Manifold Set with Sight Flow - 6686M5S1A
Caleffi 1/2 inch PEX 12 Port Manifold Set with Sight Flow - 6686N5S1A
Caleffi Thermo-Electric Actuator/Zone Valve with Auxillary Switch for PEX Manifolds - 656114
Flow Indicator - straight thread connection
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7. Caleffi 3/8 inch PEX Radiant Heat Manifolds
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Caleffi 3/8 inch Radiant Heat Manifolds
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- 1" 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 3 Port Manifold Set with Sight Flow - 6686C5S1A
Caleffi 3/8 inch PEX 4 Port Manifold Set with Sight Flow - 6686D5S1A
Caleffi 3/8 inch PEX 5 Port Manifold Set with Sight Flow - 6686E5S1A
Caleffi 3/8 inch PEX 6 Port Manifold Set with Sight Flow - 6686F5S1A
Caleffi 3/8 inch PEX 7 Port Manifold Set with Sight Flow - 6686G5S1A
Caleffi 3/8 inch PEX 8 Port Manifold Set with Sight Flow - 6686H5S1A
Caleffi 3/8 inch PEX 9 Port Manifold Set with Sight Flow - 6686I5S1A
Caleffi 3/8 inch PEX 10 Port Manifold Set with Sight Flow - 6686L5S1A
Caleffi 3/8 inch PEX 11 Port Manifold Set with Sight Flow - 6686M5S1A
Caleffi 3/8 inch PEX 12 Port Manifold Set with Sight Flow - 6686N5S1A
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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" 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 3 Port Manifold Set with Sight Flow - 6686C5S1A
Caleffi 5/8 inch PEX 4 Port Manifold Set with Sight Flow - 6686D5S1A
Caleffi 5/8 inch PEX 5 Port Manifold Set with Sight Flow - 6686E5S1A
Caleffi 5/8 inch PEX 6 Port Manifold Set with Sight Flow - 6686F5S1A
Caleffi 5/8 inch PEX 7 Port Manifold Set with Sight Flow - 6686G5S1A
Caleffi 5/8 inch PEX 8 Port Manifold Set with Sight Flow - 6686H5S1A
Caleffi 5/8 inch PEX 9 Port Manifold Set with Sight Flow - 6686I5S1A
Caleffi 5/8 inch PEX 10 Port Manifold Set with Sight Flow - 6686L5S1A
Caleffi 5/8 inch PEX 11 Port Manifold Set with Sight Flow - Pre-Assembled
Caleffi 5/8 inch PEX 12 Port Manifold Set with Sight Flow - 6686N5S1A
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9. Caleffi 3/4 inch PEX Radiant Heat Manifolds
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Caleffi 3/4 inch Radiant Heat Manifolds
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- 1" 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 3 Port Manifold Set with Sight Flow - 6686C5S1A
Caleffi 3/4 inch PEX 4 Port Manifold Set with Sight Flow - 6686D5S1A
Caleffi 3/4 inch PEX 5 Port Manifold Set with Sight Flow - 6686E5S1A
Caleffi 3/4 inch PEX 6 Port Manifold Set with Sight Flow - 6686F5S1A
Caleffi 3/4 inch PEX 7 Port Manifold Set with Sight Flow - 6686G5S1A
Caleffi 3/4 inch PEX 8 Port Manifold Set with Sight Flow - 6686H5S1A
Caleffi 3/4 inch PEX 9 Port Manifold Set with Sight Flow - 6686I5S1A
Caleffi 3/4 inch PEX 10 Port Manifold Set with Sight Flow - 6686L5S1A
Caleffi 3/4 inch PEX 11 Port Manifold Set with Sight Flow - 6686M5S1A
Caleffi 3/4 inch PEX 12 Port Manifold Set with Sight Flow - 6686N5S1A
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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 Expansion tank 7 gallons, 3/4 inch straight thread connection - 259025/259024
Caleffi Expansion tank 9 gallons, 3/4 inch straight thread connection - 259035
Caleffi Stainless steel tank connection kit 3/4 inch straight thread - For Caleffi Pump Station Only - 255007
Caleffi 1/2 inch Sweat union Connection - NA25549
Caleffi 3/4 inch Female Cap for plugging tank connection on pump station - R21180
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 Controllers
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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 2 Contoller - with 1 Pump Speed Control includes 2 Temperature Sensors, V bus Connection - 257220A
Caleffi - iSolar 4 Controller - With 2 Control Relays for Solar Pump and Second Pump or Valve, includes 3 sensors, Vbus connection - 257240A
Caleffi - iSolarPlus Controller - with 2 Pump speed triacs, 4 sensors and Vbus Connection - 257260A
Caleffi - iSolar Plus Controller - 12 Volt DC with 2 pump speed triacs, includes 4 sensors with data connection - 257260A PV1
Caleffi - iSolar Plus Controller - 24 Volt DC with 2 pump speed triacs, includes 4 sensors with data connection - 257260A PV2
Caleffi iSolar WMZ G1 kWh (Btu) heat meter with data connection to DL2 Datalogger - 257202A G1
Caleffi iSolar DL Datalogger connects to iSolar controllers through Vbus, includes software - 257201A
Caleffi iSolar RS232 interface iSolar controllers through Vbus, includes software - 257203A
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 Electrical Mounting Box For ISolar Controllers - NA10120
Caleffi Lightning Protection for FKP6 Collector Sensor - NA15006
Caleffi FKP6 Collector Sensor Well with 3/4 inch NPT Thread - NA257209
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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17. 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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18. Caleffi Solar Water Heating Systems - Full Kits
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Caleffi Solar Water Heating Systems
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The Caleffi Solar Water Heating Prepackaged includes all of the components needed for a
standard installation - from the solar collectors, to the pump station and controller,
to the storage tank, and all of the necessary hardware and plumbing components.
Caleffi Solar Package - 1-Panel Single Coil 50 Gallon Tank With ISolar Plus Controller Kit - NAS30020 PLUS
Caleffi Solar Package - 2-Panel Single Coil 80 Gallon Tank Kit With ISolar Plus Controller - NAS30040 PLUS
Caleffi Solar Package - 3-Panel Single Coil 119 Gallon Tank Kit With ISolar PLUS Controller - NAS30060 PLUS
Caleffi Solar Package - 2-Panel Double Coil 80 Gallon Tank Kit With ISolar PLUS Controller - NAS30042 PLUS
Caleffi Solar Package - 3-Panel Double Coil 119 Gallon Tank Kit With ISolar PLUS Controller - NAS30062 PLUS
Caleffi Solar Package - No Panel Single Coil 50 Gallon Tank With ISolar Plus Controller Kit - NAS30020-P PLUS
Caleffi Solar Package - No Panel Single Coil 80 Gallon Tank With ISolar Plus Controller Kit - NAS30040-P PLUS
Caleffi Solar Package - No Panel Single Coil 119 Gallon Tank Kit With ISolar PLUS Controller - NAS30060-P PLUS
Caleffi Solar Package - No Panel Double Coil 80 Gallon Tank With ISolar Plus Controller Kit - NAS30042-P PLUS
Caleffi Solar Package - No Panel Double Coil 119 Gallon Tank Kit With ISolar PLUS Controller - NAS30062-P PLUS
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19. Caleffi Mixing Valves (Lead Free) for Potable Water Systems and Hydronic Heating Systems
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Caleffi Lead Free Mixing Valve
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Caleffi Lead Free Mixing Valves adjustable Thermostatic mixing valve for Hydronic Heating Systems and
Potable Domestic Water Systems. Brass body and three way valve with Sweat Connection.
Caleffi 3-Way Thermostatic Mixing Valve - 3/4 Inch Sweat - Lead Free - 521509A
Caleffi 3-Way Thermostatic Mixing Valve - 1 Inch Sweat - Lead Free - 521609A
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20. Caleffi Mixing Valves (Lead Free) for Solar Hot Water Systems
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Caleffi Mixing Valves (Lead Free) for Solar Hot Water Systems
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Caleffi Lead Free Mixing Valves adjustable Thermostatic mixing valve for solar Heating Systems and
Potable Domestic Water Systems. Maximum percentage of glycol of 50%. Brass body Chrome Plate
Caleffi Solar 3-Way Thermostatic Mixing Valve - 3/4 Inch - Sweat Unions - Lead Free - 252159A
Caleffi Solar 3-Way Thermostatic Mixing Valve - 1 Inch - Sweat Unions - Lead Free - 252169A
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21. Caleffi Solarcon Indirect Storage Tanks for Solar Hot Water Systems
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Caleffi SolarCon Solar Water Heater Tanks
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The Caleffi Solar Indirect Water Heater has either one or two internal coils with an optional backup
electric heating element in the single coil units.
NAS20053 Storage tank with lower coil and back up electric element - 50 Gallon Tank
NAS20083 Storage tank with lower coil and back up electric element - 80 Gallon Tank
NAS20123 Storage tank with lower coil and back up electric element - 119 Gallon Tank
NAS20082 Storage tank with lower coil and top coil for boiler back up - 80 Gallon Tank
NAS20122 Storage tank with lower coil and top coil for boiler back up - 119 Gallon Tank
NAS20124 Storage tank with lower coil and top coil heat exchanger with back up electric element - 119 Gallon Tank
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22. Caleffi SolarFlat Flat Plate Collectors - Series NAS104
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Caleffi SolarFlat Flat Plate Collectors
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Caleffi Solar Hot Water Panels - NAS10406, NAS10408 and NAS10410 for
Solar Hot Water Heating Systems.
Caleffi SolarPlate Flat Plate Collector - 25,000 Btu/day - 4 feet by 6.5 feet - NAS10406
Caleffi SolarPlate Flat Plate Collector - 32,000 Btu/day - 4 feet by 8 feet - NAS10408
Caleffi SolarPlate Flat Plate Collector - 40,000 Btu/day - 4 feet by 10 feet - NAS10410
Caleffi Solar Universal Foot Mounts for Solar Collectors - Flush or Tilt - 4 Each w/Hardware - NAS10001
Caleffi Solar 6 Foot Extension - 1 Inch Brace to Tilt Collectors - NAS10002
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