We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
⌕
RFQ CartGet a QuoteSign inSign up
Watts Air Vent: One Port, Top Port, 1/8 in MNPT, For Water, Brass Body, 150 psi Max. - Vertical-Discharge Air Vents
WattsVertical-Discharge Air Vents

Watts Air Vent: One Port, Top Port, 1/8 in MNPT, For Water, Brass Body, 150 psi Max.

The Watts Air Vent: One Port is a vertical-discharge air vent designed for water systems. It features a brass body with a 1/8 in MNPT top port and a bottom connection, rated for a maximum pressure of 150 psi and a…

SKU 3G-OTH-70013

Brand
Watts
Item
Air Vent: One Port, Top Port, 1/8 in MNPT, For Water, Brass Body, 150 psi Max.
Category
Vertical-Discharge Air Vents
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Watts
Manufacturer Part Number
FV-4-1/8
Type
Top Port, For Water, Brass Body, Bottom
MNPT
1/8 in
Max.
150 psi
Product Type
Air Vent
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Watts Air Vent: One Port is a vertical-discharge air vent designed for water systems. It features a brass body with a 1/8 in MNPT top port and a bottom connection, rated for a maximum pressure of 150 psi and a maximum temperature of 240°F.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts Products

3G Electric supplies Watts vertical-discharge air vents. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
Sealing Fitting with Drain - Vertical: Iron, 1 in Trade Size, Male, 4 5/16 in Overall Lg (MPN EYD-36). Key specifications — Brand: APPLETON ELECTRIC; Connection Type: Threaded; Thread Gender: Male; Ends - Hazardous Fittings: 1 in FNPT x 1 in MNPT; Material: Iron; Hazardous Location Rating: Class III; Thread Type: NPT; Standards: CSA C22.2 No 30.
APPLETON ELECTRIC
Sealing Fitting with Drain - Vertical: Iron, 1 in Trade Size, Male, 4 5/16 in Overall Lg (MPN EYD-36). Key specifications — Brand: APPLETON ELECTRIC; Connection Type: Threaded; Thread Gender: Male; Ends - Hazardous Fittings: 1 in FNPT x 1 in MNPT; Material: Iron; Hazardous Location Rating: Class III; Thread Type: NPT; Standards: CSA C22.2 No 30.
Sealing Fitting with Drain - Vertical: Iron, 1 1/4 in Trade Size, Female, 5 1/16 in Overall Lg (MPN EYD-4). Key specifications — Brand: APPLETON ELECTRIC; Connection Type: Threaded; Thread Gender: Female; Ends - Hazardous Fittings: 1-1/4 in FNPT x 1-1/4 FNPT; Material: Iron; Hazardous Location Rating: Class I, Division 1 and 2, Groups C, D; Thread Type: NPT; Standards: CSA C22.2 No 30.
APPLETON ELECTRIC
Sealing Fitting with Drain - Vertical: Iron, 1 1/4 in Trade Size, Female, 5 1/16 in Overall Lg (MPN EYD-4). Key specifications — Brand: APPLETON ELECTRIC; Connection Type: Threaded; Thread Gender: Female; Ends - Hazardous Fittings: 1-1/4 in FNPT x 1-1/4 FNPT; Material: Iron; Hazardous Location Rating: Class I, Division 1 and 2, Groups C, D; Thread Type: NPT; Standards: CSA C22.2 No 30.
Sealing Fitting with Drain - Vertical: Iron, 3 in Trade Size, Female, 8 1/2 in Overall Lg (MPN EYD-8). Key specifications — Brand: APPLETON ELECTRIC; Connection Type: Threaded; Thread Gender: Female; Ends - Hazardous Fittings: 3 in FNPT x 3 in FNPT; Material: Iron; Hazardous Location Rating: Class I, Division 1 and 2, Groups C, D; Thread Type: NPT; Standards: CSA C22.2 No 30.
APPLETON ELECTRIC
Sealing Fitting with Drain - Vertical: Iron, 3 in Trade Size, Female, 8 1/2 in Overall Lg (MPN EYD-8). Key specifications — Brand: APPLETON ELECTRIC; Connection Type: Threaded; Thread Gender: Female; Ends - Hazardous Fittings: 3 in FNPT x 3 in FNPT; Material: Iron; Hazardous Location Rating: Class I, Division 1 and 2, Groups C, D; Thread Type: NPT; Standards: CSA C22.2 No 30.
Sealing Fitting with Drain - Vertical: Iron, 4 in Trade Size, Male, 9 3/4 in Overall Lg (MPN EYD-106). Key specifications — Brand: APPLETON ELECTRIC; Connection Type: Threaded; Thread Gender: Male; Ends - Hazardous Fittings: 4 in FNPT x 4 in MNPT; Material: Iron; Hazardous Location Rating: Class I, Division 1 and 2, Groups C, D; Thread Type: NPT; Standards: UL 886.
APPLETON ELECTRIC
Sealing Fitting with Drain - Vertical: Iron, 4 in Trade Size, Male, 9 3/4 in Overall Lg (MPN EYD-106). Key specifications — Brand: APPLETON ELECTRIC; Connection Type: Threaded; Thread Gender: Male; Ends - Hazardous Fittings: 4 in FNPT x 4 in MNPT; Material: Iron; Hazardous Location Rating: Class I, Division 1 and 2, Groups C, D; Thread Type: NPT; Standards: UL 886.
Sealing Fitting - Vertical: Iron, 4 in Trade Size, Male to Female, 9 3/8 in Overall Lg (MPN EYDM-400). Key specifications — Brand: APPLETON ELECTRIC; Connection Type: Threaded; Thread Gender: Male to Female; Ends - Hazardous Fittings: 4 in FNPT x 4 in MNPT; Material: Iron; Hazardous Location Rating: Class I, Division 1 and 2, Groups B, C, D; Thread Type: NPT; Standards: CSA C22.2 No 30.
APPLETON ELECTRIC
Sealing Fitting - Vertical: Iron, 4 in Trade Size, Male to Female, 9 3/8 in Overall Lg (MPN EYDM-400). Key specifications — Brand: APPLETON ELECTRIC; Connection Type: Threaded; Thread Gender: Male to Female; Ends - Hazardous Fittings: 4 in FNPT x 4 in MNPT; Material: Iron; Hazardous Location Rating: Class I, Division 1 and 2, Groups B, C, D; Thread Type: NPT; Standards: CSA C22.2 No 30.
Sealing Fitting with Drain - Vertical: Iron, 1/2 in Trade Size, Male, 3 1/4 in Overall Lg (MPN EYD-16). Key specifications — Brand: APPLETON ELECTRIC; Connection Type: Threaded; Thread Gender: Male; Ends - Hazardous Fittings: 1/2 in FNPT x 1/2 in MNPT; Material: Iron; Hazardous Location Rating: Class II, Division 1 and 2, Groups E, F, G; Thread Type: NPT; Standards: CSA C22.2 No 30.
APPLETON ELECTRIC
Sealing Fitting with Drain - Vertical: Iron, 1/2 in Trade Size, Male, 3 1/4 in Overall Lg (MPN EYD-16). Key specifications — Brand: APPLETON ELECTRIC; Connection Type: Threaded; Thread Gender: Male; Ends - Hazardous Fittings: 1/2 in FNPT x 1/2 in MNPT; Material: Iron; Hazardous Location Rating: Class II, Division 1 and 2, Groups E, F, G; Thread Type: NPT; Standards: CSA C22.2 No 30.

More from Watts

View all Watts parts →
Air Vent: One Port, Top Port, 1/4 in MNPT, For Water, Brass Body, 150 psi Max., 240°F Max., Bottom (MPN FV-4-1/4). Key specifications — Product Type: Air Vent; Brand: WATTS; Manufacturer Part Number: FV-4-1/4.
Watts
Air Vent: One Port, Top Port, 1/4 in MNPT, For Water, Brass Body, 150 psi Max., 240°F Max., Bottom (MPN FV-4-1/4). Key specifications — Product Type: Air Vent; Brand: WATTS; Manufacturer Part Number: FV-4-1/4.
Air Vent: One Port, Top Port, 3/4 in MNPT, For Water, Brass Body, 150 psi Max., 240°F Max., Bottom (MPN FV-4M1- 3/4). Key specifications — Product Type: Air Vent; Brand: WATTS; Manufacturer Part Number: FV-4M1- 3/4.
Watts
Air Vent: One Port, Top Port, 3/4 in MNPT, For Water, Brass Body, 150 psi Max., 240°F Max., Bottom (MPN FV-4M1- 3/4). Key specifications — Product Type: Air Vent; Brand: WATTS; Manufacturer Part Number: FV-4M1- 3/4.
Air Vent: One Port, Top Port, 1/2 in MNPT, For Water, Brass Body, 150 psi Max., 240°F Max., Bottom (MPN FV-4M1- 1/2). Key specifications — Product Type: Air Vent; Brand: WATTS; Manufacturer Part Number: FV-4M1- 1/2.
Watts
Air Vent: One Port, Top Port, 1/2 in MNPT, For Water, Brass Body, 150 psi Max., 240°F Max., Bottom (MPN FV-4M1- 1/2). Key specifications — Product Type: Air Vent; Brand: WATTS; Manufacturer Part Number: FV-4M1- 1/2.
Air Vent: One Port, Top Port, 1 in MNPT, For Water, Brass Body, 150 psi Max., 240°F Max., Bottom (MPN FV-4M1- 1). Key specifications — Product Type: Air Vent; Brand: WATTS; Manufacturer Part Number: FV-4M1- 1.
Watts
Air Vent: One Port, Top Port, 1 in MNPT, For Water, Brass Body, 150 psi Max., 240°F Max., Bottom (MPN FV-4M1- 1). Key specifications — Product Type: Air Vent; Brand: WATTS; Manufacturer Part Number: FV-4M1- 1.
Air Vent: One Port, Top Port, 1/8 in MNPT, For Water, Brass Body, 150 psi Max., 240°F Max., Bottom (MPN 1/8 DUO-VENT NPT). Key specifications — Product Type: Air Vent; Brand: WATTS; Manufacturer Part Number: 1/8 DUO-VENT NPT.
Watts
Air Vent: One Port, Top Port, 1/8 in MNPT, For Water, Brass Body, 150 psi Max., 240°F Max., Bottom (MPN 1/8 DUO-VENT NPT). Key specifications — Product Type: Air Vent; Brand: WATTS; Manufacturer Part Number: 1/8 DUO-VENT NPT.