The Monument Dry Testing Drain Plug in 37mm x 45mm size is perfect for blocking off small to medium pipes during repair or testing work. This compact size makes it particularly suitable for blocking off small pipes such as copper for dry testing prior to commissioning. This plug features a flexible rubber cone that expands when the wing nut knob is turned, creating a reliable watertight seal. Simply place the plug in the pipe end and turn the knob to depress the rubber cone—the expansion securely seals the pipe or tube end. Fitted with removable top caps and rubber rings, this plug delivers dependable performance for professional tradespeople. Features and Benefits: • 37mm x 45mm size ideal for small pipes including copper • Wing nut knob operation for easy installation • Expanding rubber cone creates watertight seal • Removable top caps and rubber rings included • Suitable for dry testing applications • Cannot be used for air testing purposes by itself Specifications: Tool Type: Drain Test Plug Diameter range: 37-45mm Maximum allowable back pressure: 60psi (4bar)

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