Sight Glasses & Moisture Indicators

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  • Rheem AP12617-3 Sight Glass ReplacementRheem AP12617-3 Sight Glass Replacement
    RHEEM
    Rheem AP12617-3 Sight Glass Replacement
    SKU: AP12617-3
    Product DescriptionThe Rheem AP12617-3 is a sight glass designed for use in water heaters. It serves as a replacement for the AP12617-2. This component is crucial for monitoring the water level inside the heater for optimal performance. Replaces AP12617-2 Standard fit for Rheem water...
    $21.99
    $21.99
  • York 026-43375-000 Sight Glass with Gasket for HVAC HydronicsYork 026-43375-000 Sight Glass with Gasket for HVAC Hydronics
    YORK
    York 026-43375-000 Sight Glass with Gasket for HVAC Hydronics
    SKU: 026-43375-000
    Product DescriptionThe York 026-43375-000 Sight Glass with Gasket is an essential HVAC tool for monitoring fluid levels within your system. This durable, precision-made sight glass allows for clear and accurate visual inspection of liquid levels, aiding in the efficient operation and maintenance of industrial...
    $119.80
    $119.80
  • HAYWARD
    Hayward SPX0072D Cylinder 2-1/2 OD x 2-3/8
    SKU: SPX0072D
    Product DescriptionThe Hayward SPX0072D is a cylinder designed specifically for pool and spa applications. This model features a two and a half inches outer diameter and a tube size of two and three-eighths inches. It is suitable for various filtration systems for swimming pools....
    $28.66
    $28.66
  • Danfoss 014L0006 1/2 inch NPT Sight Glass Mechanical Components
    DANFOSS
    Danfoss 014L0006 1/2 inch NPT Sight Glass Mechanical Components
    SKU: 014L0006
    Product DescriptionThe Danfoss 014L0006 Sight Glass offers a reliable solution for monitoring fluid levels and flow in industrial systems. This essential component features a 1/2 inch NPT connection and is crafted for durability to withstand conditions in hydraulic, pneumatic, and lubrication systems. Easy visual...
    $39.06
    $39.06
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Frequently Asked Questions

A sight glass is a transparent component installed in HVAC systems to allow visual monitoring of refrigerant flow and condition. It helps technicians assess system performance and detect moisture or contaminants in the refrigerant.

A moisture indicator monitors the presence of moisture in the refrigerant. Moisture in the system can cause damage to components like compressors, and the indicator helps identify when the system needs maintenance or refrigerant changes.

The choice of sight glass or moisture indicator depends on the type of refrigerant used and the system’s pressure and temperature specifications. Our customer service team can assist you in selecting the appropriate model based on your system's needs.

Installation is generally straightforward, but it is recommended to follow manufacturer guidelines or consult with a professional technician to ensure proper installation and system compatibility.

Regular maintenance involves checking the sight glass for cracks or damage and ensuring the moisture indicator is functioning correctly. If moisture is present in the system, or if the sight glass is broken, it should be replaced immediately to maintain system integrity.

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