Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
MUELLER A 18114 Sweat Connection Sight Glass - Sweat Connection Sight Glasses
MUELLERSweat Connection Sight Glasses

MUELLER A 18114 Sweat Connection Sight Glass

The MUELLER Sight Glass is a sweat connection sight glass made of brass, identified by manufacturer part number A 18114. It has a length of 5 1/16 inches and a cut out length of 4.5 inches.

SKU 3G-OTH-71793

Also listed as: A18114 · A-18114

Brand
MUELLER
Item
A 18114 Sweat Connection Sight Glass
Part Number
A 18114
Category
Sweat Connection Sight Glasses
Available to Order
Also known as:A 18114MUELLER
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.
EXW Singapore
Collect or forward from our office
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
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

MUELLER
Manufacturer Part Number
A 18114
Material
Brass

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 sweat connection sight glass made of brass, identified by manufacturer part number A 18114. It has a length of 5 1/16 inches and a cut out length of 4.5 inches.

Frequently Asked Questions

What is the MUELLER Sight Glass used for?

The MUELLER Sight Glass is used in HVAC and refrigeration systems to provide a visual indication of refrigerant flow and condition. It helps technicians detect moisture, bubbles, or liquid level changes in the line, ensuring system efficiency and preventing damage.

What are the specifications of the MUELLER Sight Glass A 18114?

The MUELLER Sight Glass model A 18114 is a sweat connection sight glass made of brass. It has a length of 5 1/16 inches and a cut out length of 4.5 inches. This construction offers durability and corrosion resistance for industrial refrigeration applications.

Where to buy the MUELLER Sight Glass worldwide?

3G Electric supplies the MUELLER Sight Glass A 18114 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 sweat connection sight glass.

How to install a sweat connection sight glass?

To install a sweat connection sight glass, cut the copper line to the specified cut out length, clean both ends, apply flux, and solder the sight glass into place using a torch. Ensure the glass is oriented for clear viewing and allow the joint to cool before pressurizing the system.

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.
Not sure this is the right part? Photo-identify it→

MUELLER Products

3G Electric supplies MUELLER sweat 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 →

More from MUELLER

View all MUELLER parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first