The following product guides are available for the RHeco Propane 100kW Modulating Unit Heater (ULSA100-EC-P-2):
RHeco - Product Guide - January 2020(https://www.reznor.co.uk/wp-content/uploads/2023/12/Reznor-RHeco-Sales-Brochure-EN-2020-01-GB-REZ-RHE-005-0120.pdf),
RHeco (ULSA-2) - Product Guide - January 2023(https://www.reznor.co.uk/wp-content/uploads/2023/12/Reznor-Nortek-RHeco-ULSA-2-Sales-Brochure-Jan-23.pdf)