MUELLER Sight Glass: Sweat, Brass, 6 11/16 in Lg
The MUELLER Sight Glass (MPN A 18119) is a sweat connection sight glass made of brass, with a length of 6 11/16 inches and a cut-out length of 5.15 inches. This brass sight glass is designed for sweat connection…
SKU 3G-OTH-71903
Need installation or engineering help?
Ask a question
Product Description
The MUELLER Sight Glass (MPN A 18119) is a sweat connection sight glass made of brass, with a length of 6 11/16 inches and a cut-out length of 5.15 inches. This brass sight glass is designed for sweat connection installation.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the MUELLER Sight Glass A 18119 used for?
The MUELLER Sight Glass A 18119 is used to provide visual indication of fluid flow or level in piping systems. Its brass construction and sweat connection design make it suitable for HVAC, refrigeration, and industrial process lines where a clear view of the medium is required.
What are the specifications of the MUELLER Sight Glass A 18119?
The MUELLER Sight Glass A 18119 is made of brass, has a length of 6 11/16 inches, and a cut-out length of 5.15 inches. It features a sweat connection for installation. The manufacturer part number is A 18119.
Where to buy MUELLER Sight Glass A 18119 worldwide?
You can source the MUELLER Sight Glass A 18119 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.
How to install a MUELLER sweat connection sight glass?
To install a MUELLER sweat connection sight glass, clean and flux the pipe ends and the sight glass connections. Heat the joint evenly with a torch until solder flows into the gap. Allow to cool naturally. Ensure the glass is oriented for clear viewing and check for leaks after installation.
Used in
Common applications for MUELLERMUELLER 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.














