► RELN | Valves

Automatic Water Control for Livestock Troughs When a mob reaches the trough together, water demand can change much faster than a manual top-up routine can keep pace with. RELN Valves help automate trough replenishment by responding as the water level changes, making them a practical choice for livestock watering points...

Automatic Water Control for Livestock Troughs

When a mob reaches the trough together, water demand can change much faster than a manual top-up routine can keep pace with. RELN Valves help automate trough replenishment by responding as the water level changes, making them a practical choice for livestock watering points across paddocks, yards & rural properties. Explore RELN when the job involves more than the valve alone.

A good trough setup should refill without wasting water over the side. RELN's Automatic Float Valve controls incoming water as livestock drink, helping maintain a usable level while reducing the need to repeatedly open & close the supply by hand. Pairing the valve with suitable RELN | Feed & Water Troughs creates a straightforward starting point for new or upgraded stock-watering installations.

Remote watering points make reliability especially valuable. Supply source, gravity head, pipe restrictions, mounting position, livestock demand & access for inspection all influence how well a float-valve setup performs once it is working in the paddock.

What Are RELN | Valves?

RELN Valves are water-control components designed to regulate water entering compatible livestock troughs & tubs. As the trough level falls, an automatic float valve allows replenishment; as the desired level returns, the mechanism controls further inflow.

A key option for livestock watering is the:

► RELN Automatic Float Valve | 001737
► Suitable for mounting on many trough installations
► Designed for automatic water-level control
► Suitable for gravity-feed applications
► Tough plastic protective casing
► Galvanised mounting brackets
► Compact design for trough installations

Protection around the mechanism has a practical purpose in livestock country. Cattle, horses & other animals can rub against or investigate exposed hardware, making thoughtful mounting plus a protective housing worthwhile around busy watering points.

Why Choose RELN | Valves?

Fewer manual top-ups can make property rounds simpler without removing the need to check the water. A correctly installed float valve responds automatically as animals drink, helping the trough recover between visits.

Practical advantages include:

► Automatic trough replenishment
► Water-level control
► Gravity-feed capability
► Protective casing around the mechanism
► Galvanised mounting brackets
► Compact installation
► Suitability for remote watering points
► Reduced reliance on manual filling

Water conservation matters just as much as convenience. A trough overflowing unnoticed can waste valuable stored or pumped water, while a correctly operating valve helps stop inflow once the required level is restored.

Common Applications

Cattle properties can put a watering system under sudden pressure when a group arrives together after grazing. Float-controlled troughs help replenish the water being consumed without requiring somebody to stand beside the tank or tap.

► Cattle paddocks – maintain trough levels through changing daily drinking demand.
► Horse properties – automate replenishment at frequently used paddock watering points.
► Stockyards – support water availability when animals are temporarily concentrated in one area.
► Remote grazing paddocks – reduce the need for manual filling at distant troughs.
► Gravity-fed farm systems – control water entering troughs supplied from elevated storage.
► Mixed-livestock properties – provide automatic filling where trough size, mounting & supply suit the animals using it.
► Replacement valve jobs – restore automatic filling when an existing compatible assembly is damaged or worn.
► New trough installations – build level control into the watering point from the outset.

Hot weather exposes weak refill performance quickly. A trough that appears adequate during low demand may struggle when several animals drink within a short period, making supply capacity just as important as the valve controlling it.

For properties reviewing the trough itself as well as the inlet control, RELN | Water Tubs provides another livestock-watering option to consider around capacity, placement & animal access.

Product Selection Guide

Start With the Animals & Trough

How much water can disappear when stock arrive together? Begin with livestock demand, trough capacity & mounting conditions before choosing how the incoming supply will be controlled.

Check:

► Livestock type & numbers
► Trough capacity
► Mounting position
► Existing inlet arrangement
► Water depth
► Access around the valve
► Exposure to rubbing or knocks

A convenient mounting point isn't always the most practical one. The valve should remain protected from unnecessary animal contact while still being accessible for inspection, adjustment or replacement.

Gravity Feed or Pumped Supply?

Two troughs can use similar valves yet refill very differently because the water reaches them in different ways.

Water supply

What to check before installation

Gravity feed

Tank height, available head, pipe length, pipe size & restrictions

Pumped supply

Available flow, pressure, pump operation & other demand on the line

Shared farm line

Simultaneous trough use, distance, restrictions & changing demand

Irrigation Systems & Pumps can support broader rural water-moving requirements where the project extends beyond the trough valve.

Low refill performance isn't automatically a faulty valve. Insufficient gravity head, restricted pipework, a low tank, pump problems or demand elsewhere on the line can all affect how quickly water returns.

Plan the Connection Before Turning on the Supply

A dependable valve still relies on sound plumbing around it. Inspect the incoming pipe, fittings, mounting hardware & connection route before commissioning the trough.

Plumbing Fixtures & Accessories can support related connection requirements where compatible pipework components are needed.

Watch for:

► Leaking joints
► Restricted fittings
► Poorly supported pipework
► Awkward valve positioning
► Connections exposed to stock
► Insufficient maintenance access

Small leaks deserve attention even when the trough remains full. A slow loss running continuously across several watering points can become significant over time.

Protect the Watering Point

Livestock have a habit of testing anything installed within reach. Mounting hardware, exposed pipework & the valve assembly should be positioned with rubbing, pushing & everyday animal movement in mind.

Where troughs sit around yards, laneways or controlled stock areas, Fencing & Gates can complement the wider property setup.

Good protection shouldn't make servicing difficult. Keep enough access to inspect the float movement, mounting brackets, connections & water level without dismantling the surrounding area.

Diagnose the Symptom Before Replacing the Valve

Overflowing, slow filling & an empty trough point to different possibilities.

What you notice

What deserves checking

Trough keeps overflowing

Float movement, valve closure, positioning, debris & damage

Trough refills slowly

Supply flow, gravity head, restrictions, pipework & valve condition

Water level falls too far

Livestock demand, refill rate, supply availability & valve operation

Connection is leaking

Fittings, seals, pipe support & connection condition

Valve is being knocked

Mounting position, casing, brackets & animal access

Replacing parts without checking the water route can leave the original problem untouched. Follow the supply from its source to the trough before deciding which component needs attention.

Expert Tips

► Test the trough when stock demand is realistic. Refill performance matters most when several animals drink close together.
► Check tank level on gravity systems. Available head can change as stored water falls.
► Watch the valve complete a full cycle. Confirm it opens as the level drops & controls inflow as the trough refills.
► Look for rub marks. Repeated animal contact can reveal mounting points that need better protection.
► Walk the supply line when flow drops. Kinks, restrictions, leaks or damaged pipework may be upstream.
► Inspect more often during hot spells. Higher consumption leaves less margin for unnoticed supply problems.
► Keep sediment away from moving parts. Contamination can interfere with reliable operation.
► Check mounting brackets after stock activity. Hardware can loosen when trough areas receive frequent animal traffic.
► Compare several troughs on the same supply. Similar symptoms across multiple points can indicate a shared upstream issue.
► Fix overflow promptly. Continuous losses waste water & can turn the surrounding ground into a muddy stock area.
► Keep a spare where downtime matters. Remote properties can lose valuable time waiting on a small component.
► Never assume a full trough means everything is fine. Observe whether it refills correctly after animals drink.

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  • RELN - Automatic Float Valves | 001737
    RELN - Automatic Float Valves | 001737
    RELN Agriculture Automatic Float Valves | 001737 The RELN Agriculture Automatic Float Valve (001737) is a reliable automatic water control solution designed for livestock troughs, tanks, and rural watering systems. Built for demanding agricultural environments, this float valve automatically maintains consistent water levels, helping...
    $67.80
    $67.80
  • RELN - Flat Ball Valve Cover | 002550
    RELN - Flat Ball Valve Cover | 002550
    RELN Agriculture Flat Ball Valve Cover | 002550 The RELN Agriculture Flat Ball Valve Cover (002550) is a heavy-duty protective cover designed to shield livestock trough ball valve assemblies from accidental damage in demanding rural and agricultural environments. Manufactured in Australia from non-toxic UV-stabilised...
    $88.80
    $88.80
  • RELN - 15mm Ball Valve Complete | 002549
    RELN - 15mm Ball Valve Complete | 002549
    RELN Agriculture 15mm Ball Valve Complete | 002549 The RELN Agriculture 15mm Ball Valve Complete (002549) is a heavy-duty automatic water control valve designed for livestock troughs and water tubs in demanding rural and agricultural environments. Manufactured for reliable long-term outdoor performance, this float...
    $80.40
    $80.40

Why Buy From Industrial Shed?

A small valve can become a critical part of the day when livestock depend on the trough it controls. Industrial Shed brings RELN water-control products together with practical equipment for farm maintenance, repairs & rural property work.

Farm gear earns its place by performing when the workload rises, not merely when conditions are easy. One Year On The Tools Lessons Learned shares practical lessons from equipment use, while The Hidden Cost of 'I Can Get It Cheaper Online looks at the bigger picture when reliability matters beyond the purchase price.

Preventative checks become even more valuable when a watering point sits kilometres from the shed. A tool is not just a tool. It’s a promise. explores why dependable equipment matters when the job needs to keep moving.

Need to confirm the valve against an existing trough before ordering? Call us at for product assistance, while Warranty & parts Support provides a clear path when support is required after purchase.

Set the trough up to respond when stock get thirsty — choose the RELN Valve around your water source, refill demand & mounting conditions so the next paddock check starts with water where it belongs.

Frequently Asked Questions

It controls incoming water according to the trough level, allowing replenishment as livestock drink & limiting further inflow as the required level returns.

Yes. The Automatic Float Valve is designed for trough water-level control, making it relevant to cattle, horse & other suitable livestock-watering setups.

Yes. RELN identifies gravity-feed use as an application for the Automatic Float Valve.

It can automate replenishment when connected to a suitable continuous water supply. The trough, valve & supply should still be inspected routinely.

Possible causes include restricted float movement, incorrect positioning, debris, valve wear or damage. Inspect the mechanism plus the installation before replacing components.

Check available water flow, gravity head, tank level, pipe size, restrictions, fittings, supply distance plus the condition of the valve.

Brands

RELN

RELN

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