Solar hot-water tank
OKC 300 NTR/SET
Druzstevni zavody Drazice strojirna s.r.o.
The water heater type OKC 300 NTR/SOLAR SET is equipped with only one bottom exchanger for solar collectors. The auxiliary water heating is done by electrical heating element TJ 6/4 that is possible to order among other accessories. The water heater type OKC 300 NTRR/SOLAR SET is equipped with two exchangers. The bottom one is used for solar collectors, and the top one is used for auxiliary water heating for example by gas boiler. The TJ 6/4 electrical heating element can be also mounted as an accessory.
REGUSOL 130 pump unit with the through-flow 215 l/min preassembled by the manufacturer
one controlling unit for solar circuit
additional electrical heating unit TJ 6/4 mounting option
one magnesium anode is a part of delivery; upon customers request it is possible to install a maintenancefree anode made of titanium
60 mm strong insulation made of rigid CFC-free polyurethane foam
enamelled steel tank
thermosiphon brake FLOW STOP is mounted on inlet pipe of bottom exchanger, preventing self-circulation in solar circle