Ritchie 1/2" Red Valve #12575

The standard valve in the Ritchie 1/2" series, rated 40-60 PSI, which covers most well-water systems. Average flow 3.4 gallons per minute.

Standard on the WaterMatic 100 and 150, Omni 1 and 2, Omni-2 Special, the Pork King series, and the Thrifty King for swine.

On gravity flow use the white 12574 (5-40 PSI); on city water use the green 13597 (60-80 PSI). If the valve drips constantly or the float cannot shut it off, your pressure is above this valve's range. Replacement valve rubber is part 15151, sold in packs of 10.

Which valve for your water pressure?

All three fit the same 1/2" Ritchie units. The lower the pressure a valve is built for, the larger its orifice and the more water it moves.

Measure the pressure at the waterer, not at the source, at a few different times of day and use the average. City pressure in particular swings with usage.

Why is my valve dripping?

Five things to check, in the order worth checking them. Most of these are small fixes.

1. Debris in the line. On a new install, if the line was not flushed before hookup, something small can lodge in the valve and stop it sealing. Flush the line.
2. Mineral buildup on the valve rubber. The usual cause on an older unit: buildup keeps the neoprene from seating tight. Flip the rubber over, or replace it with part 15151, sold in packs of 10.
3. Worn parts. A float that has taken on water and sits low, or a wing nut or thumbscrew that has worked loose or stripped, will let the trough overflow. Replace the worn piece.
4. Too much water pressure. Check the pressure before going further. The signs are a valve that drips constantly and will not shut off, a float without the buoyancy to close it, and valve rubber that comes out distorted and will no longer lie flat. Move up the chart to the next valve, or fit a pressure regulator ahead of the unit.
5. Water hammer. A pressure surge can make the valve sputter and look as though it is not shutting off. A regulator smooths the surge out.

Above 80 PSI, or where pressure spikes, the Ritchie Pressure Reducing Valve Package 18649 holds steady pressure at the waterer.

Not sure what you have? Send us a photo of the unit and the tag through our contact form and we will identify it for you.