Gauge Glass & Accessories

Select from complete gauge glass assemblies, individual gauge cocks, replacement gauge glass for water columns, and replacement gaskets and brass friction rings. Also, choose from gauge glass cutters, air cocks and needle valves. Find sight glass used for viewing inside the boiler. Placed inside a pipe union. Choose from 2" or 2-1/4" outside diameter. Get your gauge glass cutters - just pop and squeeze! Cutter wheel chain, and vice-like pliers grip, easily cuts any size gauge glass.

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  1. Brass Friction Ring 3/4"

    Brass Friction Ring 3/4"

    SKU: CK1010

    Brass friction rings used in water level gauges, for 3/4O.D. glass between the glass gasket and glass nut to provide proper sealing of the gasket. Learn More
    $1.01
  2. Brass Friction Ring 5/8"

    Brass Friction Ring 5/8"

    SKU: CK1005

    Brass friction rings used in water level gauges, for 5/8O.D. glass between the glass gasket and glass nut to provide proper sealing of the gasket. Learn More
    $0.96
  3. Gauge Glass 3/4" x 10" - Red Line

    Gauge Glass 3/4" x 10" - Red Line

    SKU: GF1080

    3/4"O.D. x 10" long Red-line gauge glass. Maximum working pressure 280 psi on boiler service up to 425 degrees F. Learn More
    $21.12
  4. Gauge Glass 3/4" x 12" - Red Line

    Gauge Glass 3/4" x 12" - Red Line

    SKU: GF1085

    3/4"O.D. x 12" long Red-line gauge glass. Maximum working pressure 275 psi on boiler service up to 425 degrees F. Learn More
    $25.11
  5. Gauge Glass 3/4" x 14" - Red Line

    Gauge Glass 3/4" x 14" - Red Line

    SKU: GF1090

    3/4"O.D. x 14" long Red-line gauge glass. Maximum working pressure 270 psi on boiler service up to 425 degrees F. Learn More
    $28.89
  6. Gauge Glass 3/4" x 16" - Red Line

    Gauge Glass 3/4" x 16" - Red Line

    SKU: GF1095

    3/4"O.D. x 16" long Red-line gauge glass. Maximum working pressure 265 psi on boiler service up to 425 degrees F. Learn More
    $32.34
  7. Gauge Glass 3/4" x 18" - Red Line

    Gauge Glass 3/4" x 18" - Red Line

    SKU: GF1100

    3/4"O.D. x 18" long Red-line gauge glass. Maximum working pressure 260 psi on boiler service up to 425 degrees F. Learn More
    $35.70
  8. Gauge Glass 3/4" x 24" - Red Line

    Gauge Glass 3/4" x 24" - Red Line

    SKU: GF1105

    3/4"O.D. x 24" long Red-line gauge glass. Maximum working pressure 250 psi on boiler service up to 425 degrees F. Learn More
    $51.45
  9. Gauge Glass 3/4" x 36" - Red Line

    Gauge Glass 3/4" x 36" - Red Line

    SKU: GF1110

    3/4"O.D. x 36" long Red-line gauge glass. Maximum working pressure 230 psi on temperatures up to 150 degrees F., not recommended for boiler service. Learn More
    $75.39
  10. Gauge Glass 3/4" x 48" - Red Line

    Gauge Glass 3/4" x 48" - Red Line

    SKU: GF1115

    3/4"O.D. x 48" long Red-line gauge glass. Maximum working pressure 160 psi on temperatures up to 150 degrees F., not recommended for boiler service. Learn More
    $99.45
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