MUELLERSweat Connection Sight Glasses
MUELLER Sight Glass: Sweat, Copper, 7 7/8 in Lg
The MUELLER A 18123 is a sweat connection sight glass made of copper, measuring 7 7/8 inches in length with a 5.2-inch cut-out length. This MUELLER-branded component is designed for visual flow indication in copper…
SKU 3G-OTH-71921
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MUELLER Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The MUELLER A 18123 is a sweat connection sight glass made of copper, measuring 7 7/8 inches in length with a 5.2-inch cut-out length. This MUELLER-branded component is designed for visual flow indication in copper piping systems.
Used in
Common applications for MUELLERCommercial 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.
