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Standing Domestic Hot Water Heat Exchanger SWK-150L with Spiral Coil, Vertical Connections, white
The Standing Domestic Hot Water Heat Exchanger SWK-150L with Spiral Coil is a vertical, indirect hot water storage unit intended for residential domestic hot water (DHW) production. The unit uses an internal spiral coil as the heat exchanger and features upward-facing connections for straightforward integration with a boiler or central heating circuit. Its compact vertical design and white exterior make it suitable for installations with limited floor space where a reliable supply of sanitary hot water is required.
The spiral coil design provides efficient heat transfer and a relatively rapid recovery of hot water temperature after draw-off. Vertical upward-facing connections simplify piping during installation and service, reducing the need for complex rerouting. The enclosed storage cylinder maintains water temperature and limits heat loss, while the compact footprint helps save space in utility rooms or closets.
Install the unit on a level, load-bearing surface in a location that allows access to the upward-facing connections for piping and maintenance. Connect the spiral coil circuit to the boiler or central heating loop according to local plumbing and heating codes, ensuring appropriate isolation valves, safety devices and expansion provisions are fitted. Fill and vent the system before commissioning, then heat the water via the connected heat source. Monitor temperatures and pressure during initial operation to confirm proper function and absence of leaks.
For best performance, match the heat source capacity and flow rates to the storage volume and coil specifications. Regularly inspect connections and sacrificial anode if present, and perform periodic maintenance according to local regulations and manufacturer guidance to ensure long service life and safe operation.
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