We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

MUELLER Sight Glass: Sweat, Brass, 5 3/4 in Lg - Sweat Connection Sight Glasses
MUELLERSweat Connection Sight Glasses

MUELLER Sight Glass: Sweat, Brass, 5 3/4 in Lg

The MUELLER Sight Glass (MPN A 18117) is a sweat connection sight glass made of brass, measuring 5 3/4 inches in length with a 4.69 inch cut out length. This industrial component allows visual inspection of fluid…

SKU 3G-OTH-71883

Also listed as: A18117 · A-18117

Brand
MUELLER
Item
Sight Glass: Sweat, Brass, 5 3/4 in Lg
Category
Sweat Connection Sight Glasses
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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MUELLER
Manufacturer Part Number
A 18117
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 (MPN A 18117) is a sweat connection sight glass made of brass, measuring 5 3/4 inches in length with a 4.69 inch cut out length. This industrial component allows visual inspection of fluid flow in piping systems.

Frequently Asked Questions

What is the MUELLER Sight Glass A 18117 used for?

The MUELLER Sight Glass A 18117 is used for visual inspection of fluid flow in industrial piping systems. Its brass construction and sweat connection make it suitable for HVAC, refrigeration, and process lines where monitoring liquid or gas presence is critical.

What are the specifications of the MUELLER Sight Glass A 18117?

The MUELLER Sight Glass A 18117 is made of brass, measures 5 3/4 inches in overall length, and has a 4.69 inch cut out length. It features a sweat connection for copper pipe installation. The manufacturer part number is A 18117.

Where to buy MUELLER Sight Glass A 18117 worldwide?

3G Electric supplies the MUELLER Sight Glass A 18117 worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install a MUELLER sweat connection sight glass?

Install the MUELLER sight glass by soldering it into a copper pipe line using standard sweat fitting techniques. Ensure the cut out length of 4.69 inches is accommodated. Clean and flux the mating surfaces before heating. Allow to cool before pressurizing the system.

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 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
MUELLER Sight Glass: Sweat, Brass, 6 11/16 in Lg, 5.41 in Cut Out Lg (MPN A 18118)
MUELLER
MUELLER Sight Glass: Sweat, Brass, 6 11/16 in Lg, 5.41 in Cut Out Lg (MPN A 18118)
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18111)
MUELLER
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18111)
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18110)
MUELLER
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18110)
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18112)
MUELLER
MUELLER Sight Glass: Flared Swivel, Brass (MPN A 18112)
This sight glass features a flared swivel connection for easy alignment in piping systems. Constructed of brass, it allows visual monitoring of fluid flow, color, and clarity. Commonly used in HVAC, refrigeration, and process lines
MUELLER
This sight glass features a flared swivel connection for easy alignment in piping systems. Constructed of brass, it allows visual monitoring of fluid flow, color, and clarity. Commonly used in HVAC, refrigeration, and process lines
MUELLER Sight Glass: Flare, Brass, 2 7/8 in Lg (MPN A 18108)
MUELLER
MUELLER Sight Glass: Flare, Brass, 2 7/8 in Lg (MPN A 18108)

More from MUELLER

View all MUELLER parts
MUELLER Sight Glass: Sweat, Copper, 7 7/8 in Lg, 5.95 in Cut Out Lg (MPN A 18121)
MUELLER
MUELLER Sight Glass: Sweat, Copper, 7 7/8 in Lg, 5.95 in Cut Out Lg (MPN A 18121)
MUELLER Sight Glass: Sweat, Brass, 5 3/4 in Lg, 4.93 in Cut Out Lg (MPN A 18116)
MUELLER
MUELLER Sight Glass: Sweat, Brass, 5 3/4 in Lg, 4.93 in Cut Out Lg (MPN A 18116)
MUELLER Sight Glass: Sweat, Brass, 4 7/8 in Lg, 4.28 in Cut Out Lg (MPN A 18115)
MUELLER
MUELLER Sight Glass: Sweat, Brass, 4 7/8 in Lg, 4.28 in Cut Out Lg (MPN A 18115)
MUELLER Sight Glass: Sweat, Copper, 7 7/8 in Lg, 5.2 in Cut Out Lg (MPN A 18123)
MUELLER
MUELLER Sight Glass: Sweat, Copper, 7 7/8 in Lg, 5.2 in Cut Out Lg (MPN A 18123)
MUELLER Sight Glass: Sweat, Copper, 6 5/16 in Lg, 4.49 in Cut Out Lg (MPN A 18120)
MUELLER
MUELLER Sight Glass: Sweat, Copper, 6 5/16 in Lg, 4.49 in Cut Out Lg (MPN A 18120)
MUELLER Sight Glass: Sweat, Brass, 6 11/16 in Lg, 5.15 in Cut Out Lg (MPN A 18119)
MUELLER
MUELLER Sight Glass: Sweat, Brass, 6 11/16 in Lg, 5.15 in Cut Out Lg (MPN A 18119)
MUELLER Sight Glass: Sweat, Copper, 7 7/8 in Lg, 5.71 in Cut Out Lg (MPN A 18122)
MUELLER
MUELLER Sight Glass: Sweat, Copper, 7 7/8 in Lg, 5.71 in Cut Out Lg (MPN A 18122)
MUELLER Sight Glass: Sweat, Brass, 5 1/16 in Lg, 4.5 in Cut Out Lg (MPN A 18114)
MUELLER
MUELLER Sight Glass: Sweat, Brass, 5 1/16 in Lg, 4.5 in Cut Out Lg (MPN A 18114)