1. Introdución
This user manual provides detailed instructions for the installation, operation, and maintenance of your Flomasta Bottom Inlet Brass Shank Fill Valve ½" for Toilet Cistern. Please read this manual thoroughly before installation and keep it for future reference. Proper installation and maintenance will ensure optimal performance and longevity of the product.
2. Información de seguridade
Always turn off the main water supply before beginning any installation or maintenance work on your toilet cistern. Wear appropriate personal protective equipment, such as gloves and eye protection, if necessary. If you are unsure about any step, consult a qualified plumber.
- Ensure water supply is completely shut off before installation.
- Non aperte demasiado as conexións, xa que isto podería danar a válvula ou a tubaxe.
- Manteña as pezas pequenas lonxe dos nenos.
3. Produto rematadoview
The Flomasta Bottom Inlet Brass Shank Fill Valve is designed for use in toilet cisterns, providing efficient and reliable water refilling. It features a durable brass shank for secure connection and adjustable height settings to accommodate various cistern sizes.

Figure 1: Flomasta Bottom Inlet Brass Shank Fill Valve. This image shows the complete fill valve assembly, featuring the main white body, the grey float mechanism, and the brass threaded shank at the bottom for connection to the water supply.
Características principais:
- Brass shank bottom entry fill valve.
- Adjustable installation height: 203-323mm.
- Adjustable water work-line height: 125-260mm.
- Designed for toilet cistern applications.
4. Configuración e instalación
Follow these steps for proper installation of the fill valve:
- Desactivar o subministro de auga: Locate the main water shut-off valve for your toilet or the entire house and turn it off. Flush the toilet to empty the cistern.
- Remove Old Fill Valve: Disconnect the water supply line from the bottom of the old fill valve. Unscrew the retaining nut from underneath the cistern and remove the old valve.
- Prepare New Fill Valve: Ensure the rubber washer is correctly seated on the brass shank of the new Flomasta fill valve.
- Insert New Fill Valve: Insert the brass shank of the new fill valve through the hole at the bottom of the toilet cistern.
- Válvula de seguridade: From underneath the cistern, thread the retaining nut onto the brass shank and tighten it by hand. Use a wrench for a final quarter turn, being careful not to overtighten.
- Axustar a altura: The valve's installation height is adjustable from 203mm to 323mm. To adjust, twist the float mechanism to unlock, slide the upper part of the valve to the desired height, and then twist to lock it in place.
- Conectar o abastecemento de auga: Reconnect the water supply line to the brass shank of the new fill valve. Ensure a tight, leak-free connection.
- Activar o subministro de auga: Slowly turn the main water supply back on and check for any leaks around the connections.
5. Instrucións de funcionamento
Once installed, the Flomasta fill valve operates automatically to refill the toilet cistern after each flush. The water level is controlled by the float mechanism.
Axuste do nivel da auga:
The water work-line adjustable height is between 125mm and 260mm. To adjust the water level in the cistern:
- Locate the float mechanism on the side of the fill valve.
- Gently twist the float mechanism to unlock its position.
- Slide the float up or down to achieve the desired water level. Moving the float up will increase the water level, and moving it down will decrease it.
- Once the desired level is set, twist the float mechanism back to lock it securely in place.
- Flush the toilet to test the new water level. Make further adjustments if necessary.
6. Mantemento
Regular maintenance can help prolong the life of your fill valve and prevent common issues.
- Limpeza: Periodically inspect the valve for mineral deposits or debris, especially if you have hard water. Turn off the water supply, remove the valve, and gently clean any affected parts with a soft brush and mild descaling solution. Rinse thoroughly before reinstallation.
- Comprobacións de fugas: Regularly check for any signs of leaks around the valve connections or within the cistern. Address any leaks promptly to prevent water waste and potential damage.
- Float Operation: Ensure the float moves freely without obstruction. Any sticking or obstruction can lead to incorrect water levels or continuous filling.
7 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| A cisterna non se enche ou se enche lentamente | Water supply off; clogged inlet; faulty valve mechanism. | Check water supply; clean inlet filter; inspect valve for debris or damage. |
| Cistern continuously filling/overflowing | Float set too high; float obstructed; faulty seal. | Adjust float level; clear obstructions; inspect and replace seals if worn. |
| Leaks around valve base | Loose retaining nut; damaged washer. | Tighten retaining nut (do not overtighten); replace rubber washer. |
If you encounter issues not listed here or if the suggested solutions do not resolve the problem, please contact a qualified plumber or Flomasta customer support.
8. Especificacións
- Tipo de produto: Bottom Inlet Brass Shank Fill Valve
- Marca: Flomasta
- Número de modelo: 5317810081422
- Material: Brass (shank), Plastic (body)
- Tamaño da conexión de entrada: ½ inch
- Tipo de conexión de entrada: Abaixo
- Adjustable Installation Height: 203 mm - 323 mm
- Adjustable Water Work-line Height: 125 mm - 260 mm
- Peso do artigo: 390 g
- Dimensións do paquete: 26.9 x 11.2 x 6.9 cm
9. Garantía e soporte
For warranty information or technical support, please refer to the original product packaging or contact Flomasta customer service directly. Keep your proof of purchase for any warranty claims.
Note: Warranty terms may vary based on region and retailer.





