4CALIFORNIA PROPOSITION 65WARNING:This product contains chemicals known to the Stateof California to cause cancer, birth defects or otherreproductive harm.BOILER TYPESTYPE H1 - MECHANICAL MODULATINGCentral heating boiler with 150∞-210∞Fmechanical modulating gas valves and pressure reliefvalve. Standard on models 133-1826.TYPE H2 - MOTORIZED MODULATINGCentral heating boiler with a motorizedmodulating gas valve. Standard on models 2100-4001. Available as option on models 514-1826.Modulating controller provided.TYPE H3 - 2-STAGE CONTROLSCentral heating boiler with single two-stage gasvalve . Available as option on Models 183-4001. Two-stage controller provided. Available with Y-1sequencing option.TYPE H4 - ON-OFF CONTROLSCentral heating boiler with on-off firing. Availableas option on Models 181-4001.TYPE H5 - MECHANICAL MODULATINGCentral heating boiler with 110∞-170∞Fmechanical modulating gas valves and pressure reliefvalve. Standard on Models 133-1826.TYPE H6 - B6000 SYSTEM CONTROLCentral heating boiler for use with the B6000boiler management system. Available for Models514-4001.TYPE H9 - 4-STAGECentral heating boiler for use with 4-stage firing.Controller optional. Available option on Models 514-4001.RECEIVING EQUIPMENTOn receipt of the equipment, visually check forexternal damage to the carton or the shipping crate. Ifeither is damaged, make a note on the Bill of Ladingand report the damage to the Carrier immediately.Remove the boiler from the carton or the shippingcrate.On occasion, items are shipped loose. Be surethat you receive the number of packages indicated onthe Bill of Lading.When ordering parts, you must specify the Modeland Serial Number of the boiler. When ordering underwarranty conditions, you must also specify the date ofinstallation.Raypak recommends that this manual bereviewed thoroughly before installing your Raypakboiler. If there are any questions which this manualdoes not answer, please contact the factory or yourlocal Raypak representative.Claims for shortages and damages must be filedwith carrier by consignee. Permission to return goodsmust be factory authorized and are subject to astocking charge.Purchased parts are subject to replacement onlyunder the manufacturer's warranty. Debits fordefective replacement parts will not be accepted andwill be replaced in kind only per our standardwarranties.CERTIFICATIONSThe Raypak hydronic boilers are design certifiedand tested under the latest requirements of theAmerican National Standard, ANSI Z21.13 - latestedition. Each boiler has been constructed andpressure tested in accordance with the requirementsof Setion IV of the American Society of MechanicalEngineers Code, and factory fire tested.All models are National Board approved.Temperature and pressure gauge is standard.Model 0133 has a 4-pass heat exchanger, 1 tubeper pass.Models 0181-1826 have 2-pass heat exchangers,5 tubes first pass, 4 tubes second pass.Models 2100-4001 have 2-pass heat exchangers,9 tubes per pass.Models 926-4001 have optional single-pass heatexchangers with cast iron headers only.