Description
Astralpool 1/4” valve plug 4404121107
The Astralpool 1/4” valve plug 4404121107 is a small original replacement plug designed to close 1/4 inch threaded ports on compatible
Astralpool pool equipment. It is typically used on valve bodies, drain or bleed points and accessory connections, ensuring a secure,
watertight seal in the filtration circuit.
Main features of the Astralpool valve plug 4404121107
- Original Astralpool 1/4” threaded plug for compatible valves and fittings.
- Designed to seal small auxiliary ports, drains or test points.
- Manufactured from materials suitable for treated pool water.
- Compact design for easy access in tight technical spaces.
Function in the filtration and valve assembly
The Astralpool 1/4” valve plug 4404121107 closes a threaded opening in the body of a valve or fitting. When correctly installed with its
sealing surface, it prevents water from escaping and stops air from entering the system. This helps maintain stable pressure, clean
operation and a dry technical room.
- Seals unused 1/4” threaded connections on valves or manifolds.
- Helps avoid small leaks and drips at auxiliary ports.
- Prevents air ingress that can disturb pump priming and filtration.
Compatibility and typical applications
This plug is intended for Astralpool products that list reference 4404121107 in their exploded view or spare parts list. It is commonly
found on multiport valves, filter accessories or distribution manifolds where a 1/4” port is provided for optional devices or drainage.
- Suitable for Astralpool components that specify plug 4404121107.
- Ideal as a replacement when the original plug is lost, damaged or worn.
- Useful spare for service technicians working on multiple Astralpool installations.
Before ordering, always check the documentation or parts diagram of your valve or filter to confirm that this is the correct plug
reference and thread size.
When to replace the 1/4” valve plug
Although small, the valve plug is an important sealing element. Over time, mechanical stress, overtightening or accidental knocks can
damage the head or threads, reducing the quality of the seal and making removal difficult.
- Visible cracks, deformation or rounding of the plug head.
- Damaged or worn threads that no longer tighten correctly.
- Persistent drips from a 1/4” port even after cleaning and retightening.
- Missing plug on an unused auxiliary port that should be closed.
Installation and good practice
Installing the Astralpool 1/4” valve plug 4404121107 is quick and simple, but correct handling ensures a reliable, long lasting seal.
- Switch off the pump and depressurise the system before working on any valve or filter.
- Clean the 1/4” threaded port to remove dirt, scale or old sealing residues.
- Screw the plug in by hand to engage the threads correctly without cross threading.
- Tighten gently with an appropriate tool if needed, avoiding excessive torque that could damage the plastic or seat.
- After restarting filtration, check the plug area for any sign of seepage or air intake.
With proper installation and regular visual checks, the Astralpool 1/4” valve plug 4404121107 keeps auxiliary ports securely sealed and
contributes to a clean, leak free filtration system.
