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Brand Name
Type
Inlet Size
Outlet Size
Pressure Setting
Item#:
573403A
Manufacturer Item:
573403A
Manufacturer:
CALEFFI NORTH AMERICA, INC.
Caleffi 573017A Backflow Preventer and AutoFill Combination 1/2" Press x FPT W/Gauge
Caleffi 573017A
Item#:
573017A
Manufacturer Item:
573017A
Manufacturer:
CALEFFI NORTH AMERICA, INC.
Item#:
546367AM
Manufacturer Item:
546367AM
Manufacturer:
CALEFFI NORTH AMERICA, INC.
Item#:
551004A
Manufacturer Item:
551004A
Manufacturer:
CALEFFI NORTH AMERICA, INC.
Item#:
553549A
Manufacturer Item:
553549A
Manufacturer:
CALEFFI NORTH AMERICA, INC.
Item#:
546366AM
Manufacturer Item:
546366AM
Manufacturer:
CALEFFI NORTH AMERICA, INC.
Series DuoVent High Capacity Air Vents with Manual Vent Feature are used in commercial and residential hydronic heating applications to provide automatic air venting for hot or cold water distribution systems. It consists of a brass body construction with female NPT connection, brass cover, air vent with silicone rubber seal, shutter, polyethylene float with valve plug, automatic vent with black cap, and manual vent with red cap. Series DuoVent has a high capacity and high temperature rating and is ideal for use with glycol systems or for use as an anti-vacuum device. Can be disassembled for inspection and cleaning.
- Air vent with silicone rubber seal
- Impurities do not usually affect function as maximum float line of water is always lower than the valve seal
- Float is high temperature resistant polyethylene
- Suitable for use with glycol systems
- With manual vent feature
Watts Water 590719
Item#:
551028A
Manufacturer Item:
551028A
Manufacturer:
CALEFFI NORTH AMERICA, INC.
Caleffi 573016A Backflow Preventer and AutoFill Combination 1/2" Press W/Gauge
Caleffi 573016A
Item#:
573016A
Manufacturer Item:
573016A
Manufacturer:
CALEFFI NORTH AMERICA, INC.
Item#:
573007A
Manufacturer Item:
573007A
Manufacturer:
CALEFFI NORTH AMERICA, INC.
Caleffi 573019A Backflow Preventer & AutoFill Combination W/Pressure Gauge
Caleffi 573019A
Item#:
573019A
Manufacturer Item:
573019A
Manufacturer:
CALEFFI NORTH AMERICA, INC.
VentRite 77VT Brass Non-Adjustable Air Valve, 3/4 x 1/2", Male x Female
- All vents are factory assembled, tested and inspected in the USA
- Each vent is individually packed with external labeling for convenience and maintenance
- Our vents have all brass internals with nickel plated and hand polished exterior
- Every Vent-Rite vent is factory assembled, tested and inspected in the USA
Vent-Rite Corporation 77VT
Item#:
77VT
Manufacturer Item:
77VT
Manufacturer:
VENT-RITE