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City of Everett Permit Services <br /> EVERETT Reviewed for Permit 01/30/2025 <br /> B. Using Vertical Restrictor <br /> When 20-25+feet of vertical venting is used, vertical <br /> restrictors will need to be adjusted. See Figure 5.2 and 01 21 <br /> 5.3. <br /> 0 0 0 0 <br /> L TERMINATION <br /> CAP <br /> INLET o <br /> `-COLLAR <br /> EXHAUST 0 <br /> COLLAR O <br /> - <br /> 0 <br /> 0 <br /> EXHAUST <br /> AIR <br /> VENT PIPE <br /> V=10 FT. MINIMUM <br /> 50 FT.MAXIMUM <br /> RESTRICTOR DOORS <br /> I� n <br /> FRONT VIEW SHOWS RESTRICTORS IN THE OPEN POSITION AND BENT AT 90' <br /> Figure 5.3 Firebox Baffle <br /> \� INLET AIR To open restrictors, push the restrictor doors upward. <br /> VENT PIPE The restrictor doors should be bent at a 90°. See Figure <br /> 5.3. <br /> Opening restrictors will help reduce cold start issues <br /> NOTE: TO ACHIEVE OPTIMUM PERFOR- (cycling). <br /> MANCE OF INSERT,MINIMIZE OR AVOID <br /> BENDS IN EXHAUST VENT PIPE. <br /> Appliance-25 in. &30 in. <br /> Figure 5.2 Min./Max.Venting Requirement <br /> 10 ft. -25 ft. No adjustment needs to be done. <br /> V= 26 ft. -35 ft. Open 1 restrictor opening. <br /> 36 ft. -50 ft. Open both restrictor openings. <br /> Appliance-35 in. <br /> 10 ft. -20 ft. No adjustment needs to be done. <br /> V= 21 ft. -35 ft. Open 1 restrictor opening. <br /> 36 ft. -50 ft. Open both restrictor openings. <br /> 22 Heat&Glo • SUPREME-125-IFT,SUPREME-130-IFT,SUPREME-135-IFT Installation Manual • 2532-980 Rev. F • 5/19 <br />