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4-Pipe System Valve
A compact 6-way ball valve for 4-pipe fan coil or heated/chilled ceiling systems, where separate heating and cooling circuits both need to reach the same terminal unit.
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Installed in real homes and workshops
The thermostat is simple to use, looks great on the wall, and being able to control the temperature from my phone makes everything much more convenient.
Easy Comfort Control with the APOLLO Wi-Fi Thermostat
A homeowner shares their experience with the APOLLO Wi-Fi Fan Coil Thermostat, highlighting its clean design, easy controls, and convenient Wi-Fi connectivity for everyday comfort.
Compact 6-way ball valve for four-pipe heating and cooling systems, designed to handle changeover or regulating duties with fewer components.
| Body material | Dezincification-resistant brass (CW602N or CW617N) |
|---|---|
| Thread standard | Male thread per ISO 228 |
| Flow tuning | Kvs tunable via exchangeable orifice plates |
| Application | 4-pipe fan coil / heated-chilled ceiling systems |
| Compatible actuators | AKM 115(S), AKF 112/113(S) (third-party/OEM) |
| Water quality guidance | VDI 2035 |
| Optional accessories | Strainers, fittings |
Verified Google reviews from MBTEK customers across our heating and hydronic product lines.
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Need an installer?We made it easy for you.
Listed installers are independent contractors, not MBTEK employees. They're skilled professionals familiar with our products and capable of efficient installation.
Any questions?Reach out to us.
Our team can help with product questions, sizing guidance, and next steps.