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Air and Dirt Separators and Air Vents
Air and Dirt Separators and Air Vents
Air and Dirt Separators and Air Vents
Air and Dirt Separators and Air Vents:
Air Vents
Air Vents
Air Vents
Air Vents:
Accessories
DISCALAIR® Automatic (up to 4.5 SCFM)
HYGROCAL™ Radiator Air Vent
MAXCAL™ Automatic (up to 9.0 SCFM)
MINICAL® Automatic (up to 1.7 SCFM)
Manual
PLUMBVENT™ Automatic (plumbing)
ROBOCAL™ Automatic (up to 0.8 SCFM)
VALCAL™ Automatic (up to 2.5 SCFM)
CALEFFI XF Xtra Filtration Magnetic Dirt Separators
CALEFFI XF Xtra Filtration Magnetic Dirt Separators
CALEFFI XF Xtra Filtration Magnetic Dirt Separators
CALEFFI XF Xtra Filtration Magnetic Dirt Separators:
CALEFFI XF
DIRTMAG® Magnetic Dirt Separators
DIRTMAG® Magnetic Dirt Separators
DIRTMAG® Magnetic Dirt Separators
DIRTMAG® Magnetic Dirt Separators:
Accessories
DIRTMAG® (ANSI Flange)
DIRTMAG® (Composite)
DIRTMAG® Pro (Brass)
DISCALDIRTMAG® Air and Magnetic Dirt Separators
DISCALDIRTMAG® Air and Magnetic Dirt Separators
DISCALDIRTMAG® Air and Magnetic Dirt Separators
DISCALDIRTMAG® Air and Magnetic Dirt Separators:
Accessories
DISCALDIRTMAG® (ANSI Flange)
DISCALDIRTMAG® (Brass)
DISCALDIRTMAG® (Union)
DISCALDIRT® Air and Dirt Separators
DISCALDIRT® Air and Dirt Separators
DISCALDIRT® Air and Dirt Separators
DISCALDIRT® Air and Dirt Separators:
Accessories
DISCALDIRT® (ANSI Flange)
DISCALDIRT® (Brass)
DISCAL® Air Separators
DISCAL® Air Separators
DISCAL® Air Separators
DISCAL® Air Separators:
Accessories
DISCAL® (ANSI Flange)
DISCAL® (Brass)
Gold Standard Kit
Gold Standard Kit
Gold Standard Kit
Gold Standard Kit:
Accessories
Gold Standard Kit™
Backflow Prevention and Safety Devices
Backflow Prevention and Safety Devices
Backflow Prevention and Safety Devices
Backflow Prevention and Safety Devices:
Backflow Preventers
Backflow Preventers
Backflow Preventers
Backflow Preventers:
Dual Check with atmospheric vent (DuC-AV)
Reduced Pressure Principle (RP)
Safety Devices
Safety Devices
Safety Devices
Safety Devices:
Vacuum Relief Valves (VRV)
Balancing Valves
Balancing Valves
Balancing Valves
Balancing Valves:
Dynamic
Dynamic
Dynamic
Dynamic:
Accessories
FlowCal+™ (compact)
FlowCal+™ (y-body)
FlowCal™ (compact)
FlowCal™ (hydronics)
FlowCal™ (y-body)
Static (manual)
Static (manual)
Static (manual)
Static (manual):
Accessories
Flo-Set™
QuickSetter+™
QuickSetter™ (hydronics)
Thermal
Thermal
Thermal
Thermal:
Accessories
ThermoSetter™ Compact
ThermoSetter™ Large body
ThermoSetter™
Distribution Manifolds and Mixing Stations
Distribution Manifolds and Mixing Stations
Distribution Manifolds and Mixing Stations
Distribution Manifolds and Mixing Stations:
Assemblies
Assemblies
Assemblies
Assemblies:
Accessories
TwistFlow™
Temperature Mixing Units
Temperature Mixing Units
Temperature Mixing Units
Temperature Mixing Units:
Accessories
HydroMixer™
Thermostatic Manifold Mixing Stations
Thermostatic Manifold Mixing Stations
Thermostatic Manifold Mixing Stations
Thermostatic Manifold Mixing Stations:
Accessories
Low Temperature
Filling Units and Boiler Trim Kits
Filling Units and Boiler Trim Kits
Filling Units and Boiler Trim Kits
Filling Units and Boiler Trim Kits:
Automatic Filling Units
Automatic Filling Units
Automatic Filling Units
Automatic Filling Units:
Accessories
AutoFill™ Combo
AutoFill™
Boiler Trim Kits
Water Treatment
Water Treatment
Water Treatment
Water Treatment:
Accessories
Filling Units
HYDROFLUSH™ (fill and flush cart)
Fittings
Fittings
Fittings
Fittings:
AutoFill™
AutoFill™
AutoFill™
AutoFill™:
Tail pieces, union nuts, washers
Backflow Preventers
Backflow Preventers
Backflow Preventers
Backflow Preventers:
Tail pieces, union nuts, washers
PresCal™
PresCal™
PresCal™
PresCal™:
Tail pieces, union nuts, washers
Separators
Separators
Separators
Separators:
Tail pieces, union nuts, washers
Small Valves
Small Valves
Small Valves
Small Valves:
1" union Fittings
Tail pieces, union nuts, washers
Threaded
Threaded
Threaded
Threaded:
Union nuts, nipples adapters, bushings
Hydraulic Separators
Hydraulic Separators
Hydraulic Separators
Hydraulic Separators:
4-in-1 SEP4™
4-in-1 SEP4™
4-in-1 SEP4™
4-in-1 SEP4™:
Accessories
SEP4™ (ANSI Flange)
SEP4™ (Union)
Hydro Separators
Hydro Separators
Hydro Separators
Hydro Separators:
Accessories
Hydro Separator (ANSI Flange)
Hydro Separators (Union)
HydroCal™ (ANSI Flange)
Mixing Valves
Mixing Valves
Mixing Valves
Mixing Valves:
Electronic
Electronic
Electronic
Electronic:
Accessories
LEGIOMIX® Station
LEGIOMIX®
Thermostatic (point of distribution)
Thermostatic (point of distribution)
Thermostatic (point of distribution)
Thermostatic (point of distribution):
Accessories
AngleMix™
MixCal+™ (high flow)
MixCal™
TankMixer™ (DHW kit)
Thermostatic (point of use)
Thermostatic (point of use)
Thermostatic (point of use)
Thermostatic (point of use):
Accessories
SinkMixer™ (4-way)
TubMixer™ (high flow)
TubMixer™ (high flow) w/ gauge
Pressure Reducing Valves
Pressure Reducing Valves
Pressure Reducing Valves
Pressure Reducing Valves:
Diaphragm Type
Diaphragm Type
Diaphragm Type
Diaphragm Type:
Accessories
PresCal™
Prescal™ Compact
Piston Type
Piston Type
Piston Type
Piston Type:
PresCal™ HP
Renewable Components and Energy Meters
Renewable Components and Energy Meters
Renewable Components and Energy Meters
Renewable Components and Energy Meters:
Biomass
Biomass
Biomass
Biomass:
Accessories
ThermoBloc™ (recirc and distribution units)
ThermoProtec™ (mixing valves)
Energy Meters
Energy Meters
Energy Meters
Energy Meters:
Accessories
CONTECA™
Solar
Solar
Solar
Solar:
Accessories
Air Vents
DISCAL® (air separators)
Mixing Valves
Pump Stations
Safety Relief Valves
Specialty Components and Kits
Specialty Components and Kits
Specialty Components and Kits
Specialty Components and Kits:
Air Vents (plumbing)
Air Vents (plumbing)
Air Vents (plumbing)
Air Vents (plumbing):
PLUMBVENT™
Check Valves
Check Valves
Check Valves
Check Valves:
Accessories
Check Valves (serviceable)
Differential Pressure Bypass
Differential Pressure Bypass
Differential Pressure Bypass
Differential Pressure Bypass:
Differential Pressure Bypass Valves
Isolation Ball Valves
Isolation Ball Valves
Isolation Ball Valves
Isolation Ball Valves:
Accessories
Isolation Valves
Kits
Kits
Kits
Kits:
Boiler Trim Kits
Gold Standard Kits
Tankless Water Heater Kits
Universal Flow Switch
Universal Flow Switch
Universal Flow Switch
Universal Flow Switch:
Uni-Switch™
Y-strainers
Y-strainers
Y-strainers
Y-strainers:
Accessories
Y-strainers (hydronics)
Y-strainers (plumbing and hydronics)
Thermostatic Radiator Valves
Thermostatic Radiator Valves
Thermostatic Radiator Valves
Thermostatic Radiator Valves:
Connection Valves
Connection Valves
Connection Valves
Connection Valves:
Accessories
Angled Version
Straight Version
Control Heads
Control Heads
Control Heads
Control Heads:
Accessories
Control Heads (Built-in Sensor)
Control Heads (Remote Sensor)
Radiator Valve Bodies
Radiator Valve Bodies
Radiator Valve Bodies
Radiator Valve Bodies:
Accessories
Valve Bodies (angled)
Valve Bodies (straight)
Zone Valves, Controls and Coil Kits
Zone Valves, Controls and Coil Kits
Zone Valves, Controls and Coil Kits
Zone Valves, Controls and Coil Kits:
Motorized Ball Zone Valves
Motorized Ball Zone Valves
Motorized Ball Zone Valves
Motorized Ball Zone Valves:
2-way (straight)
3-way (by-pass)
3-way (diverting)
Motorized Zone Valves
Motorized Zone Valves
Motorized Zone Valves
Motorized Zone Valves:
2-way Bodies (straight flow)
3-way Bodies (diverting flow)
Accessories
Actuators (normally closed)
Actuators (normally opened)
Z-one™ 2-way
Pressure Independent Control Valves (PICV)
Pressure Independent Control Valves (PICV)
Pressure Independent Control Valves (PICV)
Pressure Independent Control Valves (PICV):
Accessories
FLOWMATIC® Express Coil Kit
FLOWMATIC®
Thermo-electric Zone Valves
Thermo-electric Zone Valves
Thermo-electric Zone Valves
Thermo-electric Zone Valves:
Accessories
TwisTop™
Z-one™ Zone Controls
Z-one™ Zone Controls
Z-one™ Zone Controls
Z-one™ Zone Controls:
Accessories
Pump Zone Controls
Valve Zone Controls
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Temperature creep in hot water recirculation
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What prevents returned mixing
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Pete
February 10, 2020
What prevents returned mixing water from getting into the cold system?
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What prevents returned mixing water from getting into the cold system?