150x125x75mm Stop Tap Poly Hinged
Light Duty Polypropylene Hinged Solid Top Stop Tap Box
TypeA-P ? 152 x 120 x 75mm
Features:
- Manufactured to BS 5834 Part 2
- Suitable for areas with pedestrian access only
- Hinged solid top
- Polypropylene material
- Black coated finish.
A Polypropylene Hinged Stop Tap Box (or Stopcock Boundary Box) is a protective surface housing unit used to enclose and shield underground mains water shut-off valves (stop taps) and water meters located outside a property.
Primary Uses & Key Features
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Mains Water Valve Access: Installed at ground level over the underground stop tap to provide immediate, clear access for homeowners, plumbers, or utility workers to turn off the main water supply during emergencies or repairs.
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Hinged Lid Access: Features a permanently attached, flip-up hinged cover that opens smoothly for valve operation and snaps securely back into place without the risk of the lid getting lost, misplaced, or stolen.
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Corrosion & Impact Resistance: Manufactured from heavy-duty, high-impact polypropylene that will not rust, rot, or degrade when exposed to damp soil, standing water, or UV rays.
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Debris & Frost Protection: Shielding the internal valve pit from garden soil, mud, leaves, and surface debris, while accommodating an internal insulation plug (frost guard) to prevent underground pipes from freezing during winter.
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Available for collection from our Rugby branch or local delivery using our own fleet.
Delivery is kerbside and the final offloading position is always subject to safe access and the driver’s discretion.
Please tell us before delivery about:
• Narrow roads or restricted entrances
• Parked vehicles or limited turning space
• Overhead cables, trees or other obstructions
• Soft, sloping or unsuitable ground
• Any other access concernsEnter your postcode on the product page to check your delivery area. We’ll confirm the delivery date after your order is placed.
What is the load rating for a poly hinged stop tap box?
Our polypropylene stop tap boxes are typically rated Class A15 (1.5-tonne), making them suitable for footpaths, gardens, and light pedestrian zones. For driveways, you must use a heavy-duty grade poly box or a Class B125/C250 ductile iron stop tap chamber.
How do you install a stop tap box over an underground water pipe?
The box sits on top of a vertical PVC riser pipe or chamber section surrounding the valve. Lower the frame over the riser so it sits flush with the final paving, turf, or concrete level, and bed the base flange in mortar or compacted aggregate to keep it level and stable.
Does a stop tap box protect the valve from freezing in winter?
The plastic box itself provides wind and debris protection, but for full frost protection, you must insert a foam frost insulation plug into the chamber body directly below the hinged lid. This traps ground heat around the stop tap valve during freezing weather.
How do you prevent dirt and mud from filling the stop tap box?
Ensure the plastic riser pipe underneath the frame extends up to the bottom lip of the box. Additionally, clear away loose backfill around the frame during installation and keep the hinged lid fully closed to block surface wash-off.
