All product applications
OTMA offers the market a wide range of complete hydraulic units and hydraulic components for the heating, air conditioning and renewable energy sectors.

Gas boilers
Compact and flexible hydroblocks the product is specifically designed to be suitable for any boiler layout on the market.

Heat pump
Products characterized by large passage sections (DN 22), ideal for heat pumps or boilers with power greater than 50 kW.

Biomass systems
Hydraulic units with a particular layout developed specifically to be combined with solid fuel/ pellet boilers and thermo-fireplaces.

Centralized systems
The multifunction valve integrates, into a single component, all the necessary hydraulic functions for metering modules.

Solar thermal
Compact valves designed to combine a solar energy system with a traditional wall hung boiler, even in case of pre-existing boiler.