PlugNo
Body materialBrass
Max. temp.240°F
SeriesFV-4
Inlet size1"
LeadPresent
StrainerNo
Inlet typeMale Threaded
Body styleVertical
Max. pressure150 psi
Max. water pressure150 psi
Max. working pressure150 psi
Relief pressure9999 psi
Air vent connection genderNot Applicable
Air vent connection sizeNot Applicable
Air vent connection typeNot Applicable
Cap materialBrass
Float materialPolyethylene
For mediaWater
Inlet port connection genderMale
Inlet port locationBottom
Installation orientationVertical
Outlet port connection genderNot Applicable
Outlet port connection sizeNot Applicable
Release methodAutomatic
Relief port locationTop
Secondary inlet port connection genderNot Applicable
Secondary inlet port connection sizeNot Applicable
Secondary inlet port connection typeNot Applicable
Inlet port connection size1"
ApplicationAir Removers
ConfigurationOne Port
Includes expansion tank portExpansion Tank Connection Not Included
Number of inlet ports1
Overall depth3 1/2"
Overall width1 3/8"
Air ventingAutomatic
Bottom tappingYes
Buy american act compliantNo
Fastfill featureNo
Fill tapping sizeNot Applicable
Flow rateNot Applicable
Inlet genderMale
Lead freeNo
Switch typeNot Applicable
Max. operating pressure150 psi
Inlet connection typeMale Threaded, NPT
Venting capacity0.5 SCFM At 25 psi
Contact ratingNot Applicable
Float chamber connection sizeNot Applicable
Hydronic item typeAir Vent
Inlet thread typeNPT
Manufacturer seriesFV-4
Outlet connection sizeNot Applicable
Outlet connection thread typeNot Applicable
Outlet thread typeNot Applicable
Pipe plugNo
Pressure adjustment rangeNot Applicable
Pressure steam discharge capacityNot Applicable
Product typeAir Vent
Purge and drain dia.Not Applicable
Purge and drain outlet sizeNot Applicable
Purge and drain outlet typeNot Applicable
Strainer materialNot Applicable
Temperature adjustment rangeNot Applicable
Top 1 tapping sizeNot Applicable
Top 2 tapping sizeNot Applicable
Top tappingNo
Vacuum breakerYes
Bottom tapping size1"
Inlet pipe size1"
Max. operating temp.240°F
Minimum water pressure1.45 psi
Minimum working pressure1.45 psi
Operating pressure - minimum1.45 psi
Pressure relief setting9999 psi
Temp. range33°F to 240°F
Body patternVertical
BrandWatts
Ean098268066692
Inlet connection size1 IN
Inlet connection size-metric25 MM
Maximum operating temperature-fahrenheit240
Maximum pressure-psi150
Maximum steam pressure-psi9999
Maximum temperature-fahrenheit240
Maximum water pressure-psi150
Maximum working pressure-psi150
Minimum water pressure-psi1.45
Minimum working pressure-psi1.45
Outlet connection typeDoes Not Apply To Product
Part number0590721
Pressure relief setting-psi9999
Purge and drain diameterDoes Not Apply To Product
Side tappingNo
Side tapping sizeDoes Not Apply To Product
Temperature range33 to 240 degrees F
Dimensions3-1/2 in H
Domestic/importImport
Nominal size1 in
Pressure rating1.45 to 150 psi
Softgoods materialSilicone Rubber Seal
Temperature rating33 to 240 deg F
TypeAutomatic
ManufacturerWatts Regulator Company