Cobett Model SB Waterer – Float Valve System
The Model SB by Cobett is a compact, energy-free livestock waterer designed with durability, reliability, and winter-resilience in mind. Outfitted with a float valve system, it delivers consistent water levels for smaller herds while maintaining a frost-resistant design that doesn’t rely on electricity.
🔧 System Overview (Float Valve Assembly)
This diagram illustrates the inner workings of the SB waterer with float valve functionality. Key labeled components include:
| # | Component Description |
|---|---|
| 1 | Lid (Extended Non-Use) – Covers the waterer to prevent debris entry when not in service. |
| 2 | Model SB Waterer Body – Constructed from UV-stabilized polyethylene for superior outdoor durability. |
| 3 | Tub – The internal drinking basin; easily removable for cleaning. |
| 4 | 5½″ Polyethylene Float – Connected via cord to regulate water level. Maintains consistent water supply based on animal use. |
| 5 | 3/16″ Cord & ⅜″ Sleeve – Links the float to the valve; engineered to resist tangling and icing. |
| 6 | 3″ Polyurethane Insulation – Surrounds the tub area to retain natural ground heat and prevent freezing. |
| 7 | ½″ HD Valve – Heavy-duty float valve controls water flow into the tub. |
| 10 | Support Rod – Structural support for internal components. |
| 11 | Quick Coupler & Adapter – Allows for easy installation/removal of plumbing connections. |
| 13 | Ball Valve – Controls flow from the incoming line for maintenance or shutoff. |
| 14 | Flexible Hose – Routes water from the valve to the float-controlled fill point. |
| 16 | 36″ Base Tube – Buried base anchors the unit and draws ground heat upward to protect plumbing from freeze. |
| 17 | 1″ Polyethylene Waterline (Not Included) – Underground supply line feeding fresh water to the system. |
📐 Dimensions & Capacity
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Water Capacity: Approx. 5 gallons
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Footprint: 23.5″ diameter
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Height: 48″ overall (including base tube)
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Animal Capacity: Supports up to ~65 dry lot cattle or ~35 pasture cows
❄️ Freeze Protection
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No heaters required
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Relies on earth-insulated base tube (16) and 3″ insulation layer (6)
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Designed to prevent freeze-up even during periods of low/no animal traffic
🧼 Maintenance Benefits
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Tub (3) is easily removable for cleaning
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Top-lift design means no tools required for float access
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Simple water shutoff via ball valve (13) makes seasonal or emergency maintenance quick and safe
✅ Ideal For
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Single-animal pens
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Rotational grazing setups
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Horse paddocks, goats, or small cattle groups
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Installations where electric-free frost protection is required
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