Instruction manual for Fisher 1098‑EGR and 1098H‑EGR pressure reducing regulators covering specifications, installation, operation and maintenance.
This manual provides detailed information for Fisher 1098‑EGR and 1098H‑EGR pressure reducing regulators, including specifications, body sizes, pressure limits, and optional constructions. It also describes the principle of operation, pilot types, and recommended configurations for various applications such as natural‑gas distribution and boiler fuel supply.
Installation, startup, and adjustment procedures are outlined with safety warnings, wiring diagrams, and step‑by‑step guidance for qualified personnel. The document includes parts lists, pilot adjustment instructions, and guidance for dual‑pilot boiler fuel control setups.