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MUELLER A 18104 Flare Connection Sight Glass, Brass, 3 7/16 in Length - Flare Connection Sight Glasses
MUELLERFlare Connection Sight Glasses

MUELLER A 18104 Flare Connection Sight Glass, Brass, 3 7/16 in Length

The MUELLER Sight Glass (MPN A 18104) is a flare connection sight glass constructed from brass. It has a length of 3 7/16 inches.

SKU 3G-OTH-71669

Also listed as: A18104 · A-18104

Brand
MUELLER
Item
A 18104 Flare Connection Sight Glass, Brass, 3 7/16 in Length
Part Number
A 18104
Category
Flare Connection Sight Glasses
Available to Order
Also known as:A 18104MUELLER
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Technical Specifications

MUELLER
Manufacturer Part Number
A 18104
Material
Brass

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

Product Description

The MUELLER Sight Glass (MPN A 18104) is a flare connection sight glass constructed from brass. It has a length of 3 7/16 inches.

Frequently Asked Questions

What is the MUELLER Sight Glass A 18104 used for?

The MUELLER Sight Glass A 18104 is used to provide visual indication of fluid flow or level in industrial piping systems. Its brass construction and flare connection make it suitable for refrigeration, HVAC, and process lines where a leak-tight seal and corrosion resistance are required.

What are the specifications of the MUELLER Sight Glass A 18104?

The MUELLER Sight Glass A 18104 is a flare connection sight glass made of brass. It has a length of 3 7/16 inches. The manufacturer part number is A 18104. This model is designed for use in systems requiring a durable, corrosion-resistant viewing port.

Where to buy the MUELLER Sight Glass A 18104 worldwide?

3G Electric supplies the MUELLER Sight Glass A 18104 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 on this brass flare connection sight glass.

How to install the MUELLER Sight Glass A 18104?

Install the MUELLER Sight Glass A 18104 by applying thread sealant to the flare connection and tightening to the specified torque. Ensure the glass is oriented for clear visibility. Avoid overtightening to prevent cracking. Always follow system pressure and temperature limits for brass components.

Used in

Common applications for MUELLER
Commercial refrigeration — Mueller diaphragm valves (e.g., MPN A 14841) for refrigerant flow control in supermarket racks and cold storage.
HVAC systems — Mueller sight glasses (e.g., MPN A 18101) for monitoring refrigerant charge and detecting moisture in air conditioning lines.
Industrial process cooling — Mueller ball valves (e.g., MPN A 17934) for isolating flow in chiller and process piping.
Refrigeration compressor protection — Mueller magnetic check valves (e.g., MPN A 17939) to prevent backflow and compressor damage.
A2L refrigerant systems — Mueller A2L-compatible valves and components for use with low-flammability refrigerants in new equipment.
Refrigerant piping maintenance — Mueller check valves and sight glasses for system diagnostics and repair in HVAC and refrigeration.
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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.

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Brass sight glass with flare connections for visual inspection of fluid flow in piping systems. Used in refrigeration, HVAC, and process lines to monitor liquid or gas movement and detect bubbles or contamination
MUELLER
Brass sight glass with flare connections for visual inspection of fluid flow in piping systems. Used in refrigeration, HVAC, and process lines to monitor liquid or gas movement and detect bubbles or contamination

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