Purpose and key benefit DN15 switchvalve that gives precise, efficient control of water flow for electric water heaters, helping you set and maintain desired temperatures and improve energy efficiency. What it does Controls water delivery to fast‑heating and storage‑type electric water heaters. Supports both quick (on‑demand) and delayed heating modes, so the heater operates only when needed. Built to resist wear and tear while maintaining accurate, repeatable control. Compatibility and size Designed for DN15 connections to fit DN15 piping and fixtures. Compatible with fast‑heating and storage electric water heater systems. Who it's for Homeowners who want more consistent hot water and lower energy use. Contractors and installers seeking a durable valve for residential electric water heater projects. Enthusiasts and DIYers upgrading or retrofitting electric water heating systems. Performance highlights Improves temperature control by regulating water flow to the heater. Enhances energy efficiency by enabling precise operation for quick or delayed heating cycles. Durable construction intended for long service life under normal use. Typical applications 1. Residential retrofit: an older valve on a home electric water heater to enable controlled, energy‑efficient heating cycles. 2. installs: Use the DN15 switchvalve on a newly installed fast‑heating or storage electric water heater to provide accurate water control and reliable operation. 3. Vacation or secondary properties: Set up delayed heating so the heater only runs when needed, reducing energy consumption when the property is unoccupied. Why customers choose this switchvalve Precise control for better temperature stability and lower energy waste. DN15 format for common electric water heater piping. Durable performance suitable for homeowners, contractors, and installers. Ordering note Confirm DN15 connection compatibility with your existing piping and heater setup before installation.