Armitage Shanks Red Flow Insert — E908716NU
The Armitage Shanks E908716NU is a precision-manufactured internal insert designed for specific tap and valve assemblies. Identified by its Red color-coding, this component is traditionally used to denote the hot water side or a specific high-temp flow rate within the valve body. With an exact 39.85mm diameter, it is engineered for a seamless fit, ensuring the internal hydraulic integrity of your Armitage Shanks or Ideal Standard brassware.
Identification Guide:
MPN: E908716NU | Diameter: 39.85mm | Material: Reinforced Polymer | Color: Red (Hot/High Flow)
Key Features
- Precision Diameter: Measured at exactly 39.85mm to provide a secure, rattle-free fit within the mixer housing.
- Thermal Stability: Made from high-grade polymer designed to withstand constant exposure to hot water without warping.
- Easy ID: The red finish allows maintenance teams to quickly identify the hot side during multi-valve repairs.
- Quality: A genuine Armitage Shanks part that maintains original flow specifications and prevents internal whistling or turbulence.
Installation Note
To ensure a proper seal, please clean the internal seat of the tap before fitting the E908716NU. While this is a friction-fit component, using a small amount of waterproof plumber's grease on the outer edge can help prevent damage during insertion. This red insert is frequently paired with the blue E908715NU model for full mixer servicing.



