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I-RIH (05-21) 131793-A
FIELD-INSTALLED OPTIONS—CONTINUED
Parabolic Reflector (Option DM2)—Continued
Figure 11. Parabolic Reflector
Wire Grid (Option DN2)
The addition of option DN2 (see
) increases radiant efficiency . This option is available on all models except
RIHN unit size 030 and is required on Canadian installations of model RIHN unit size 060 .
Figure 12. Wire Grid
Protective Screen (Option DN3)
Option DN3 (see
) is designed to protect the ceramic block from damage caused by the entrance of foreign
objects . This option is not for use with a parabolic reflector (option DM2) . If a protective screen is required with a
parabolic reflector, contact the factory .
Figure 13. Protective Screen with Standard Reflector
Heat Deflector (Option DO2)
Option DO2 is available on unit sizes 030–100 to permit less clearance above the heater .
Chain and S-Hooks (Option UE1)
Option UE1 includes 50 feet (15 meters) of 200-pound (91-kg) chain and 14 S-hooks .
Chain Mounting Kit (Option UE2)
Option UE2 includes assembled chain and S-hooks for mounting one unit .
Gas Connector and Shutoff Valve (Option UF2)
Option UF2 includes a 24-inch stainless steel gas connector and shutoff valve .
Standard
Optional Screen