Solarbayer heating buffer tank P-300 heating cylinder / cold storage tank

Heating/cooling buffer tank P300 with
diffusion-tight PU insulation and four
connections for heat sources and
consumers. Ideal hydraulic separation
for heat pumps, usable for heating and
cooling. Additional connections for
thermometer, sensors and electric
heating element.

Technical data:
nominal volume: 300 litres
material: steel S235JR
height with insulation: 1475 mm
tilted height: 1630 mm
diameter with insulation: 650 mm
weight: 59 kg
max. operating pressure: 3 bar
max. operating temperature: 95 °C
min. operating temperature: -7 °C

Connections:
heating: 4x DN40 (1 1/2")
immersion heater*: DN 40 (1 1/2")
*max. length immersion heater: 550 mm
air vent: DN32 (1 1/4")
sensors: 3x DN15 (1/2")
connections aligned in 90 degrees

Thermal Insulation:
material: PU solid foam
lambda λ: 0.0235 W/(mK)
thickness: 50 mm +/- 10%
protective sheath: PVC foil silver
fire protection class according to
DIN 4102 for the complete insulation: B2
Standby energy consumption according to
DIN EN 12897:2020-05: 1.61 kWh/24h
standing heat loss: 67 W
energy efficiency class: B