The following product guides are available for the RHeco Natural Gas 25kW Condensing Unit Heater (ULSA025-2):
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)