The Regency Energy E18E is a small B-vent gas insert: 21,600 BTU input at 74% steady state efficiency (NG), electronic ignition.
Standard unit includes: body, flush ceramic glass with 310 sq. in. viewing area, safety screen, linear burner, variable speed blower, 886 SIT valve with manual flame adjustment, basic wall thermostat, and a white backing plate to cover the existing switch opening. Choose the faceplate matching your existing unit and the burner media above; venting adaptors are sold separately and depend on the installation.
Price includes all required components for the configuration selected above.
Full product page and verified specifications to follow.