Six Pack Replacement Gauge Glass 5/8 Inch OD By 12 Inch Fits Low Pressure Steam Boilers 58GG12 Compatible Residential Boiler Glass Set Without Gaskets 205 PSI At 150 F And 100 PSI At 425 F

Six-Pack Replacement Gauge Glass for Low-Pressure Boilers
✔️ 5/8 in OD x 12 in length, 205 PSI @150F; 100 PSI @425F

Six-pack gauge glass replacement set for residential low-pressure steam boilers. Each glass measures 5/8 inch outer diameter by 12 inches long and fits standard 58GG12 compatible housings. Gaskets and friction rings are not included, so you’ll need your own seals to install safely.

✅ Six gauge glasses included in the pack
✅ 5/8 in OD, 12 in length
✅ Compatible with Crown 58GG12 housing
✅ No gaskets or friction rings included
✅ Max working pressure 205 PSI at 150°F; 100 PSI at 425°F

💡 What is a gauge glass used for in home boiler systems, and why pick a 5/8 inch size? Gauge glass shows the boiler water level and helps ensure safe operation. - Gauge glass helps monitor levels in residential boilers - The 5/8 inch diameter matches common fittings for reliable seal - Pressure ratings of 205 PSI at 150F and 100 PSI at 425F cover typical low‑pressure steam ranges - Use with the correct gaskets or seals to prevent leaks