Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Image not available

ARMSTRONG PUMPS INC. Air Vent, 3/8" Vertical Connection

ARMSTRONG PUMPS INC. Pumps Parts.

SKU 3G-OTH-95268

Also listed as: 272005307 · 272005 307

Brand
ARMSTRONG PUMPS INC.
Item
Air Vent, 3/8" Vertical Connection
Category
Pumps Parts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ARMSTRONG PUMPS INC.
Manufacturer Part Number
272005-307

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

ARMSTRONG PUMPS INC. Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

ARMSTRONG PUMPS INC. Pumps Parts.

Frequently Asked Questions

What is the Armstrong Pumps Inc. Air Vent 272005-307 used for?

This Armstrong air vent is used in hydronic heating and cooling systems to automatically release trapped air from pipes and radiators. It helps maintain system efficiency and prevent air locks. The 3/8" vertical connection fits Armstrong brand equipment, making it suitable for commercial and industrial HVAC applications.

What are the specifications of the Armstrong Pumps Inc. Air Vent 272005-307?

The Armstrong Pumps Inc. Air Vent model 272005-307 has a 3/8" connection size and vertical mounting orientation. It is designed as a replacement part for Armstrong brand systems. The manufacturer part number is 272005-307. This air vent is used to purge air from hydronic systems to optimize performance.

Where to buy the Armstrong Pumps Inc. Air Vent 272005-307 worldwide?

You can source the Armstrong Pumps Inc. Air Vent 272005-307 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. We supply genuine Armstrong replacement parts for hydronic systems.

How to install the Armstrong Pumps Inc. Air Vent 272005-307?

Install the Armstrong air vent vertically on a 3/8" threaded connection at the highest point of the hydronic system. Ensure the vent is oriented with the cap upward. Tighten securely by hand plus a quarter turn with a wrench. Open the manual vent cap slightly during initial system fill to purge air, then close.

Used in

Common applications for ARMSTRONG PUMPS INC.
HVAC system maintenance — Armstrong shaft key (MPN 974515-100) for 32UM80 series circulator repair
Hydronic heating repair — Armstrong oil wick (MPN 816565-000) for lubricating 32UM80 series pump bearings
Boiler system servicing — Armstrong air vent (MPN 272005-307) for automatic air release in closed loops
Raypak circulator replacement — Armstrong pump-less volute (MPN 110108MF-717) for Raypak 3 circulator
S-25 circulator overhaul — Armstrong pump-less volute (MPN 110116MF-200) for S-25 model
H-53 circulator retrofit — Armstrong pump-less volute (MPN 110116MF-302) for H-53 circulator

ARMSTRONG PUMPS INC. Products

3G Electric supplies ARMSTRONG PUMPS INC. pumps parts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Pump Accessories Valves & Regulation Motors & Drives All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
ARMSTRONG
ARMSTRONG
Header-mount circulator pump for hydronic systems. Steel volute included. 1/4 hp motor, 115V AC, 44 gpm flow, 24 ft max. head. Used in closed-loop hot water heating systems
Replacement impeller for ARMSTRONG circulator pumps, compatible with model 174031MF-013. Used in hydronic heating and cooling systems to circulate water or other fluids. Diameter: 2.75 inches
ARMSTRONG
Replacement impeller for ARMSTRONG circulator pumps, compatible with model 174031MF-013. Used in hydronic heating and cooling systems to circulate water or other fluids. Diameter: 2.75 inches
Single-phase OEM replacement motor for circulator pumps. Rated 1/8 hp at 115/230V AC, 60 Hz, with a 48 motor frame designation. Compatible with series 174031-099. Used in hydronic heating and water circulation systems
ARMSTRONG
Single-phase OEM replacement motor for circulator pumps. Rated 1/8 hp at 115/230V AC, 60 Hz, with a 48 motor frame designation. Compatible with series 174031-099. Used in hydronic heating and water circulation systems
Bronze three-piece inline circulator pump for potable water systems. Delivers 31 gpm at 8 ft max. head. Includes volute. Flange connections. 115V AC, 6 1/2 in face-to-face
ARMSTRONG
Bronze three-piece inline circulator pump for potable water systems. Delivers 31 gpm at 8 ft max. head. Includes volute. Flange connections. 115V AC, 6 1/2 in face-to-face
ARMSTRONG
ARMSTRONG
This inline recirculating pump is designed for residential under-sink potable water systems, providing hot water at the tap to reduce wait time and water waste. It features a stainless steel construction, 120V AC operation, and delivers up to 10 gpm at a maximum head of 7 ft. The pump includes union connections and has a 1/25 hp motor; no volute is included

More from ARMSTRONG PUMPS INC.

View all ARMSTRONG PUMPS INC. parts
ARMSTRONG PUMPS INC.
ARMSTRONG PUMPS INC.
This pump body is a replacement component for Armstrong models 32UM80, 32UM81, 32UM82, and 32UM83. It is used in fluid handling systems to maintain pump integrity and performance
ARMSTRONG PUMPS INC.
ARMSTRONG PUMPS INC.
Replacement volute for S-25 circulators, compatible with Armstrong and Bell & Gossett brand pumps. Used in HVAC and industrial fluid circulation systems to restore pump performance by replacing a worn or damaged volute casing
ARMSTRONG PUMPS INC.
ARMSTRONG PUMPS INC.
This pump less volute is a replacement part for Raypak 3 circulators, designed to fit Armstrong or Bell & Gossett brand pumps. It is used in commercial and industrial hydronic heating systems to circulate water without the volute casing, enabling maintenance or repair of the pump assembly
ARMSTRONG PUMPS INC.
ARMSTRONG PUMPS INC.
Replacement volute casing for Armstrong H-53 circulators, compatible with Armstrong and Bell & Gossett brand pumps. This component is used in HVAC and hydronic heating systems to maintain water circulation, supplied without pump motor or impeller
Shaft key for Armstrong pump models 32UM80, 32UM81, 32UM82, and 32UM83. Transmits torque from motor shaft to pump impeller. Fits Armstrong brand pumps
ARMSTRONG PUMPS INC.
Shaft key for Armstrong pump models 32UM80, 32UM81, 32UM82, and 32UM83. Transmits torque from motor shaft to pump impeller. Fits Armstrong brand pumps
Replacement oil wick for Armstrong pump models 32UM80, 32UM81, 32UM82, and 32UM83. Delivers lubricating oil to pump bearings to reduce friction and wear in fluid-handling systems
ARMSTRONG PUMPS INC.
Replacement oil wick for Armstrong pump models 32UM80, 32UM81, 32UM82, and 32UM83. Delivers lubricating oil to pump bearings to reduce friction and wear in fluid-handling systems
ARMSTRONG PUMPS INC.
ARMSTRONG PUMPS INC.
This pump less volute is a replacement part for H-32 circulators, designed to fit Armstrong and Bell & Gossett brand pumps. It is used in hydronic heating and HVAC systems to facilitate water circulation