Monovalve.com offers new heater control valves and components for vintage Mercedes, BMW, Ferrari, Rolls-Royce & Bentley, and VW.

We’re home to the Klima BVX Series, the world’s first high-performance replacement heater control valves for 1980s and 1990s European and British vehicles equipped with OE monovalves or duovalves made by Bosch. The BVX Series replaces the problematic and no-longer-available early-style Bosch monovalves and duovalves.

Our products are made in-house in the U.S. in small production runs or on a made-to-order basis. We take pride in offering products that perform either like-new or improve performance.

Wholesale inquires are welcome. Please use the contact page to inquire about our re-seller programs.

Monovalve.com is a division of Klima Design Works / klimakit.com