The following product guides are available for the Sorrento Quartz Glow Electric 1.5kW Radiant Heater - Single Linear Tube (SOR15-BLACK):
Quartz Glow - Product Guide(https://www.reznor.co.uk/wp-content/uploads/2023/12/Reznor-Nortek-Quartz-Glow-Sales-Brochure-Jan-20.pdf)