Gauge Glass Float Balls
These float balls are made from a composition material called Polyethylene designed for resting inside of your tubular gauge glass unit to allow an easily readable liquid level on your boiler. Float balls measure between .275 and .405 in diameter. Select the Float Ball size from below and it will tell you which size O.D. glass the selected option will fit.
WILL NOT FIT ANY HEAVYWALL GAUGE GLASS - SOLD IN PACKS OF 6
Green Gauge Glass Float Balls for 1/2" Glass (6-Pack)
This Standard Size (.275" Diameter Float Ball) is made only for the following High Pressure Standard wall glass sizes:
- 1/2" OD
- 5/8" OD
- Will not fit any heavy wall gauge glass
Blue Gauge Glass Float Balls for 5/8" Glass (6-Pack)
This Standard Size (.322" Diameter Float Ball) is made only for the following High Pressure Standard wall glass sizes:
- 5/8" OD - 3/4" OD - 1" OD - 1-1/4" OD
- 7/8" OD - 1-1/8" OD - 1-1/2" OD
- Will not fit any heavy wall gauge glass or 1/2" OD high pressure standard glass
Red Gauge Glass Float Balls for 3/4" Glass (6-Pack)
This Standard Size (.405" Diameter Float Ball) is made only for the following High Pressure Standard wall glass sizes:
- 3/4" OD - 1" OD - 1-1/4" OD
- 7/8" OD - 1-1/8" OD - 1-1/2" OD
- Will not fit any heavy wall gauge glass, 5/8" or 1/2" OD high pressure standard glass
Light Red Gauge Glass Float Balls For 5/8" Glass (6-Pack)
This Standard Size (.328" Diameter Float Ball) is made only for the following High Pressure Standard wall glass sizes:
- 5/8" OD - 3/4" OD - 1" OD - 1-1/4" OD
- 7/8" OD - 1-1/8" OD - 1-1/2" OD
- Will not fit any heavy wall gauge glass or 1/2" OD high pressure standard glass