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Hydronic Heating

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18 products

Brass automatic air vent with 1/2 inch NPT connection and threaded cap.

Caleffi 502243A Automatic Air Vent 1/2 Inch NPT Brass

SKU #: CALE502243A   |   MPN #: 502243A
$41.45
$41.45 $0.00
MSRP: $50.60

Available in stock

Brass automatic air vent with black adjustment screw on top and threaded NPT connection at bottom.

Caleffi 502115A Automatic Air Vent 1/8 Inch NPT Brass

SKU #: CALE502115A   |   MPN #: 502115A
$25.70
$25.70 $0.00
MSRP: $28.30

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass automatic air vent with 1/2" NPT male connection and black knob valve on top.

Caleffi 502040A MINICAL Automatic air vent 1/2" NPT Male

SKU #: CALE502040A   |   MPN #: 502040A
$21.16
$21.16 $0.00
MSRP: $21.16

Special Order. Expect 4-6 weeks for delivery, subject to change

Caleffi hygroscopic air vent with white cap, metal hexagonal body, and male NPT threaded connection.

Caleffi 508013A Hygros. Air Vent 1/8" NPT Male(25pcs)

SKU #: CALE508013A   |   MPN #: 508013A
$13.95
$13.95 $0.00
MSRP: $13.95

Special Order. Expect 4-6 weeks for delivery, subject to change

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Caleffi 502620A ROBOCAL Automatic air vent 1/4"

SKU #: CALE502620A   |   MPN #: 502620A
$20.23
$20.23 $0.00
MSRP: $20.23

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass automatic air vent with cylindrical body, ribbed top cap, and 1/2 inch NPT threaded connector.

Caleffi 502343A Automatic Air Vent 1/2 Inch NPT Brass

SKU #: CALE502343A   |   MPN #: 502343A
$48.41
$48.41 $0.00
MSRP: $59.90

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass automatic air vent with cylindrical body, knurled cap, and threaded male connection port.

Caleffi 502043CST Automatic Air Vent 1/2 Inch Brass

SKU #: CALE502043CST   |   MPN #: 502043 CST
$26.53
$26.53 $0.00
MSRP: $29.60

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass automatic air vent with 1/2 inch NPT connections and ribbed cap on cylindrical body.

Caleffi 502043A Automatic Air Vent 1/2 Inch NPT Brass

SKU #: CALE502043A   |   MPN #: 502043A
$27.02
$27.02 $0.00
MSRP: $29.60

Special Order. Expect 4-6 weeks for delivery, subject to change

Caleffi logo and "Hydronic Solutions" text on white background.

Caleffi 501502A MAXCAL Automatic air vent 3/4" NPT Female

SKU #: CALE501502A   |   MPN #: 501502A
$274.35
$274.35 $0.00
MSRP: $391

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass automatic air vent with 1/2" metric connection and black knurled adjustment screw on top.

Caleffi 502640 ROBOCAL Automatic air vent 1/2" Metric

SKU #: CALE502640   |   MPN #: 502640
$25.31
$25.31 $0.00
MSRP: $27.70

Special Order. Expect 4-6 weeks for delivery, subject to change

Brass automatic air vent with 1/4" connection and black valve cap on top.

Caleffi 502720A ROBOCAL Automatic air vent 1/4" With check

SKU #: CALE502720A   |   MPN #: 502720A
$25.19
$25.19 $0.00
MSRP: $27.50

Special Order. Expect 4-6 weeks for delivery, subject to change

Ten brass automatic air vents with 1/8" NPT male connections and black push-button caps.

Caleffi 502015A MINICAL Automatic Air Vent 1/8" NPT Male - 10 Pack

SKU #: CALE502015Ax10   |   MPN #: 502015A
$154.37
$154.37 $0.00
MSRP: $210

Available in stock

Brass automatic air vent with 1/8 inch NPT connection and black adjustment screw on top.

Caleffi 502710A Automatic Air Vent 1/8 Inch NPT Brass

SKU #: CALE502710A   |   MPN #: 502710A
$25.08
$25.08 $0.00
MSRP: $26

Available in stock

Brass automatic air vent with ribbed knurled cap and black valve stem, 1/8" NPT male connection.

Caleffi 502015A MINICAL Automatic Air Vent 1/8" NPT Male

SKU #: CALE502015A   |   MPN #: 502015A
$21.01
$21.01 $0.00
MSRP: $21.01

Available in stock

Brass automatic air vent valve with 3/8" connection and adjustment screw on top.

Caleffi 502630 ROBOCAL Automatic Air Vent 3/8"

SKU #: CALE502630   |   MPN #: 502630
$26.75
$26.75 $0.00
MSRP: $26.75

Available in stock

Brass air vent valve with black hygroscopic cap and male threaded connection.

Caleffi 502113A Minical 1/8" with Check, hygroscopic cap

SKU #: CALE502113A   |   MPN #: 502113A
$28.33
$28.33 $0.00
MSRP: $32.40

Special Order. Expect 4-6 weeks for delivery, subject to change

Polished metal steam radiator vent with interchangeable orifices and threaded connection port.

Maid-O'-Mist 1/8" Straight Steam Radiator Vent Kit (Orifices 4, 5, 6, C, D)

SKU #: MAI18STRVE   |   MPN #: 18STRAIGHT
$27.67
$27.67 $0.00
MSRP: $27.67

Available in stock

White cylindrical steam radiator vent with angled metal valve and knurled adjustment knob on top.

Maid-O'-Mist 1/8" Angle Steam Radiator Vent Kit (Orifices 4, 5, 6, C, D)

SKU #: MAI18ANGLE   |   MPN #: 18ANGLE
$27.67
$27.67 $0.00
MSRP: $27.67

Available in stock

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