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

3G Electric
RFQ CartGet a QuoteSign inSign up
MUELLER Sight Glass: Flare, Brass - Flare Connection Sight Glasses
MUELLERFlare Connection Sight Glasses

MUELLER Sight Glass: Flare, Brass

The MUELLER Sight Glass is a flare connection sight glass made of brass, with a length of 2 7/8 inches. This component, identified by manufacturer part number A 18108, is designed for visual inspection of fluid flow…

SKU 3G-OTH-71655

Brand
MUELLER
Item
Sight Glass: Flare, Brass
Category
Flare Connection Sight Glasses
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

MUELLER
Manufacturer Part Number
A 18108
Material
Brass
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

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

Product Description

The MUELLER Sight Glass is a flare connection sight glass made of brass, with a length of 2 7/8 inches. This component, identified by manufacturer part number A 18108, is designed for visual inspection of fluid flow in industrial piping systems.

Frequently Asked Questions

What is the MUELLER Sight Glass A 18108 used for?

The MUELLER Sight Glass A 18108 is used for visual inspection of fluid flow in industrial piping systems. Its brass construction and flare connection make it suitable for refrigeration, HVAC, and process lines where confirming flow, color, or clarity is critical.

What are the specifications of the MUELLER Sight Glass A 18108?

The MUELLER Sight Glass A 18108 is a flare connection sight glass made of brass, with a length of 2 7/8 inches. The manufacturer part number is A 18108. It is designed for visual monitoring of fluid flow in industrial piping systems.

Where to buy the MUELLER Sight Glass A 18108 worldwide?

3G Electric supplies the MUELLER Sight Glass A 18108 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the MUELLER Sight Glass A 18108?

Install the MUELLER Sight Glass A 18108 by connecting the flare ends to matching flare fittings in the piping system. Tighten the flare nut securely with a wrench, but avoid over-tightening to prevent cracking the glass. Always follow standard industrial piping practices.

Used in

Common applications for MUELLER
Commercial refrigeration systems — Mueller steel shell filter driers for moisture and contaminant removal in liquid lines.
HVAC installations — Mueller sweat connection ball valves for flow control in refrigerant circuits.
Industrial process cooling — Mueller magnetic check valves to prevent backflow in refrigerant piping.
Refrigeration system maintenance — Mueller flare nuts and bushings for access valve connections.
Low-GWP refrigerant systems — Mueller A2L-compatible ball valves for use with low-flammability refrigerants.
Retrofit projects — Mueller filter driers and valves for upgrading existing refrigeration equipment.

MUELLER Products

3G Electric supplies MUELLER flare connection sight glasses. 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
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18111). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18111). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18113). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18113). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18110). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18110). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18112). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18112). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER Diaphragm Valve: 1/4 in Male Flare, Std Lg Body, 0.6 in Base to Port Center Ht (MPN A 14833). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER
MUELLER Diaphragm Valve: 1/4 in Male Flare, Std Lg Body, 0.6 in Base to Port Center Ht (MPN A 14833). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER Diaphragm Valve: 3/8 in Male Flare, Std Lg Body, 0.6 in Base to Port Center Ht (MPN A 14835). Key specifications — Brand: MUELLER; A2L Compatible: Yes.
MUELLER
MUELLER Diaphragm Valve: 3/8 in Male Flare, Std Lg Body, 0.6 in Base to Port Center Ht (MPN A 14835). Key specifications — Brand: MUELLER; A2L Compatible: Yes.

More from MUELLER

View all MUELLER parts →
MUELLER Sight Glass: Flare, Brass, 2 7/16 in Lg (MPN A 18106). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER
MUELLER Sight Glass: Flare, Brass, 2 7/16 in Lg (MPN A 18106). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER Sight Glass: Flare, Brass, 3 7/16 in Lg (MPN A 18104). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER
MUELLER Sight Glass: Flare, Brass, 3 7/16 in Lg (MPN A 18104). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER Sight Glass: Flare, Brass, 2 3/4 in Lg (MPN A 18101). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER
MUELLER Sight Glass: Flare, Brass, 2 3/4 in Lg (MPN A 18101). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER Sight Glass: Flare, Brass, 3 in Lg (MPN A 18107). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER
MUELLER Sight Glass: Flare, Brass, 3 in Lg (MPN A 18107). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER Sight Glass: Flare, Brass, 3 1/4 in Lg (MPN A 18103). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER
MUELLER Sight Glass: Flare, Brass, 3 1/4 in Lg (MPN A 18103). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER Sight Glass: Flare, Brass, 3 in Lg (MPN A 18102). Key specifications — Brand: MUELLER; Material: Brass.
MUELLER
MUELLER Sight Glass: Flare, Brass, 3 in Lg (MPN A 18102). Key specifications — Brand: MUELLER; Material: Brass.