Why it matters: Floats on water in the sight glass gauge for easy and fast water level checks.
Plastic Sight Glass Ball
★ 3.86 verified store reviewsIn stock
$1.95
🇺🇸 United States
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Highlights
- Floats on water surface for clear visibility of water level
- Compact 6.6 mm diameter fits standard sight glass tubes
- Durable plastic construction ensures long-lasting use
- Simple circular design for easy installation and replacement
Specs
| Material | Plastic |
| Diameter | 6.6–6.5 mm |
| Inner Diameter Compatibility | 6.6 mm and above |
| Color | Red |
| Pattern | Solid |
Full product description
Plastic Sight Glass Float Ball This small plastic ball floats on the surface of the boiler water inside the sight glass (level gauge), giving you a quick visual read on boiler water level at a glance. SPECIFICATIONS Diameter: 6 – 6.5 mm Material: plastic Sold individually, one ball per purchase COMPATIBILITY Fits: sight glass tubes with an inner diameter of 6.6 mm or larger INSTALLATION Drop the ball into the sight glass tube, no tools required. PRO TIPS If your sight glass reading looks stuck or the ball doesn't bob with water level changes, check for mineral scale buildup inside the tube before assuming the ball itself is bad, scale is the far more common culprit.
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