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

MUELLER Sweat Connection Sight Glass

<p>The MUELLER Sweat Connection Sight Glass (Model A 18120) is a durable copper component designed for HVAC and refrigeration systems. With a length of 6 5/16 inches and a cut-out length of 4.49 inches, this sight…

SKU 3G-OTH-71907

Also listed as: A18120 · A-18120

Brand
MUELLER
Item
Sweat Connection Sight Glass
Part Number
A 18120
Category
Sweat Connection Sight Glasses
Available to Order
Also known as:A 18120MUELLER
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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 18120
Material
Copper

Technical Documents

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

Product Description

<p>The MUELLER Sweat Connection Sight Glass (Model A 18120) is a durable copper component designed for HVAC and refrigeration systems. With a length of 6 5/16 inches and a cut-out length of 4.49 inches, this sight glass allows visual confirmation of refrigerant flow and moisture indicators. Its sweat connection ensures a secure, leak-resistant installation.</p><p>Ideal for contractors and maintenance teams, this sight glass is a reliable replacement part. As a Singapore-based supplier, 3G Electric offers this product with worldwide shipping, SGD quotes on request, and GST handled for local buyers. Enjoy fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What are the dimensions of the MUELLER A 18120 sight glass?

The MUELLER A 18120 has a length of 6 5/16 inches and a cut-out length of 4.49 inches.

Can I get a quote in SGD and fast delivery in Singapore?

Yes, 3G Electric provides SGD quotes on request and handles GST for Singapore buyers. We offer fast delivery across Singapore and Southeast Asia.

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 sweat 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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