Replacement Parts for

1 Form RZ-NA P-RA/RAD/RV, Page 1 Parts Form RZ-NA P-RA/RAD/RV (Version A)Obsoletes Form RZ-NA P-RA/RAD/RVReplacement Parts forUsed Oil include complete heater model and serial number sothat any specification change can be considered for partsshipment. It can save time and Used oil heaters are not approved for sale in the states ofCalifornia and New We reserve the right to substitute functional Specifications are subject to change without TO:Models RA/RAD 110, 140,235, 350, 500 and RV 225, 325 Model/SizeDate of IntroductionDiscontinuedRA/RAD110UL - 6/90 (APF)6/92 (ARF)Model/SizeRA/RAD140 Date of IntroductionUL & CSA - 6/92 (ARF)Model/Size RA/RAD235 Date of IntroductionUL - 6/90 (APF)CSA - 1/92 (ARA)Model/SizeRA/RAD350 Date ofIntroductionCSA - 12/93 (ASL)Model/SizeRA/RAD500 Date of IntroductionCSA - 7/97 (AWG)Model/SizeRV 225 andRV 325 Date of IntroductionCSA - 11/02 (BBK)Index by Page Compressor777 Air Manifold Components777 Backflow Sensor Limit Control101010 Belt--1618 Blower and Components --1618 Burner and Components444 Cabinet Parts (Outer)14-1614-1718 Cleaning Brush or Rake232323 Door Panels (inner access doors)20-2120-2122 Draft Regulator141418 Drive Components--1618 Electrical Boxes and Components101010 Electrodes444 Fan and Components16----Fan and Limit Controls (Heater)121213 Filter (Compressed Air)777 Filter (Fuel)

2 - Supply Line888 Gaskets (for inner access doors)20-2120-2122 Gasket (for burner assembly)444 Hanger Kit (Same as Option CK10)232323 Heat Exchanger/Combustion Chamber Assembly20-2120-2122 Heat Exchanger (fuel-preheater) and Controls333 High Altitude Kits888 Hour Meter888 Ignition Controller444 Limit Controls (Oil Temperature)333 Limit and Fan Controls121213 Motor, Fan or Blower161618 Motor, Gear (at the Remote Pump)888 Nozzle666 Paint23, 2423, 2423, 24 Pressure Switch101010 Pump (Remote)888 Serial Number222 Stand (Heater Stand Option ST-1 for Reznor Model OT-250 Fuel Tank)24--24 Strainer Assembly (fuel line)555 Switch (Control/Disconnect)101010 Thermostat232323 Transformer101010 Vacuum Gauge888 Valve, Foot888 Valve, Relief888 Valve Solenoid555 Vent Cap141418 Vertical Louvers232323 IMPORTANT: Effective 1/20/05, Size 500 was changed toa 240V 3-wire system. The cartridge heaters, air com-pressor, burner, and hour meter were changed from 240 Vcontrols to 115V.

3 Select Replacement Parts THAT ARE HIGHLIGHTED ARE POPULAR ITEMSITEMS WITH CONVERSATION BUBBLE GIVE MORE INFORMATIONForm RZ-NA P-RA/RAD/RV, Page 2 First Element of the Serial Number - Date of ManufactureYearJanFebMarAprMayJuneJulyAu gSeptOctNovDec1990 APAAPBAPCAPDAPEAPFAPGAPHAPIAPJAPKAPL1991 AQAAQBAQCAQDAQEAQFAQGAQHAQIAQJAQKAQL1992 ARAARBARCARDAREARFARGARHARIARJARKARL1993 ASAASBASCASDASEASFASGASHASIASJASKASL1994 ATAATBATCATDATEATFATGATHATIATJATKATL1995 AUAAUBAUCAUDAUEAUFAUGAUHAUIAUJAUKAUL1996 AVAAVBAVCAVDAVEAVFAVGAVHAVIAVJAVKAVL1997 AWAAWBAWCAWDAWEAWFAWGAWHAWIAWJAWKAWL1998 AXAAXBAXCAXDAXEAXFAXGAXHAXIAXJAXKAXL1999 AYAAYBAYCAYDAYEAYFAYGAYHAYIAYJAYKAYL2000 AZAAZBAZCAZDAZEAZFAZGAZHAZIAZJAZKAZL2001 BAABABBACBADBAEBAFBAGBAHBAIBAJBAKBAL2002 BBABBBBBCBBDBBEBBFBBGBBHBBIBBJBBKBBL2003 BCABCBBCCBCDBCEBCFBCGBCHBCIBCJBCKBCL2004 BDABDB`BDCBDDBDEBDFBDGBDHBDIBDJBDKBDL200 5 BEABEBBECBEDBEEBEFBEGBEHBEIBEJBEKBEL2006 BFABFBBFCBFDBFEBFFBFGBFHBFIBFJBFKBFL2007 BGABGBBGCBGDBGEBGFBGGBGHBGIBGJBGKBGL2008 BHABHBBHCBHDBHEBHFBHGBHHBHIBHJBHKBHL2009 BIABIBBICBIDBIEBIFBIGBIHBIIBIJBIKBIL2010

4 BJABJBBJCBJDBJEBJFBJGBJHBJIBJJBJKBJL2011 BKABKBBKCBKDBKEBKFBKGBKHBKIBKJBKKBKL2012 BLABLBBLCBLDBLEBLFBLGBLHBLIBLJBLKBLL2013 BMABMBBMCBMDBMEBMFBMGBMHBMIBMJBMKBML2014 BNABNBBNCBNDBNEBNFBNGBNHBNIBNJBNKBNL2015 BOABOBBOCBODBOEBOFBOGBOHBOIBOJBOKBOL2016 BPABPBBPCBPDBPEBPFBPGBPHBPIBPJBPKBPL2017 BQABQBBQCBQDBQEBQFBQGBQHBQIBQJBQKBQLR ating Plate and Serial Plate KeyA = Model = HorsepowerC = AmpsD = Minimum Circuit AmpacityE = Maximum Unit FuseF = Altitude Range (feet)G = Firing Rate (adjusted for altitude)H = Input Rate (adjusted for altitude)I= Maximum Overfire Pressure(" )J = External Static Pressure (" )Serial No. Decoding SampleARK350A00000 Codes1234 Key: 1 Date of manufacture (see chart below)2 Size (BTUH input)3A = Fan Model.

5 D = Blower Model4 Consecutive NumberK = Flue Outlet Pressure Range(" )L = Top Clearance (inches)M = Rear Clearance (inches)N = Bottom Clearance (inches)O = Front Clearance (inches)P = Side Clearance (inches)Q = Flue Pipe Clearance (inches)R = RAD and RV may be usedwith a discharge duct; RAmay not be used with a dis-charge :Form RZ-NAReplacement Parts for Discontinued760-1 Models RA/RAD118/230 Installation/Maintenance - RA/RAD 140/235I-RA/D 140/235 Installation/Maintenance - RA/RAD 350/500I-RA/D 350/500 Installation/Maintenance - RV 225/325I-RVHeater Stand for Model OT Oil TankI-OIL-HSHigh Altitude Conversion - Size 235461-HAHigh Altitude Conversion - Size 350464-HAWEBSITE: ERCER,PA., ULTI-OIL-FIRED UNIT HEATERCSA CERTIFIED TO UL STANDARD 296 AFO R INDUSTRIAL/CO M M ERCIAL USE O NLYFO R USE W ITH INTEG RAL G RO UP 1 O R 2 PRIM ARY SAFETY CO NTRO FO R NO .2 FUEL AND USED O IL RANG ING FRO M ATF TO SAE O DEL [ A]SERIAL NO.

6 ARK350A0000 [ B]HPUSE CO PPER CO NDUCTO RS O NLY115 VO LTS 1 PH 60 HZ [ C]AM PSM INIM UM CIRCUIT AM PACITY [D]AM PSM AXIM UM UNIT FUSE [E]AM PSFO R USE AT [F] FEETFIRING RATE [G]G . [H]BTU/HRO UTPUT DEPENDS O N BTU CO NTENT O F USED O AXIM UM O VERFIRE PRESSURE [I] . STATIC PRESSURE [J] . O UTLET PRESSURE RANG E (DRAFT)[K] . UNIT IS FO R INSTALLATIO N SUSPENDED FRO M A CEILINGW ITH CLEARANCES TO CO M BUSTIBLES M ATERIALS NO LESS P -[L]" BO TTO M -[N]" SIDES -[P]"REAR -[M]" FRO NT -[O]" FLUE PIPE -[Q]"IN CANADA,REFERENCE CSA B139-M 91 FO R INSTALLATIO N ING ARAG ES, USA,INSTALL UNIT IN ACCO RDANCE W ITH THE FO LLO W ING STANDARDS;ANSI/NFPA 409-1990 FO R AIRCRAFT HANG ARSANSI/NFPA 88A-1991 FO R PARKING STRUCTURESANSI/NFPA 88B-1991 FO R REPAIR G ARAG ESTHIS UNIT [R]W ITH AIR UNIT IS NO T FO R USE W ITH AIR ENT NO ZZLES M UST BE PURCHASED FRO M REZNO RPATENT ,080,579 Form RZ-NA P-RA/RAD/RV, Page 3 Fuel Pre-Heater System ( Patent No.)

7 5,080,579) - All ModelsOil Pre-heating System (U. S. Patent No. 5,080,579)1 Wire andCable1093(Corner of the box covering the end and part of the front)5 FlexibleFuel Line,P/N 1071642 (Front only)Top ViewPre-heater is located in the box belowand behind the burner assembly7 - Low Oil TemperatureLimit (black wire)8 - Manual Reset High OilTemperature Limit(yellow wire)11 -HeaterFrontSupport9 - Heating ElementBrass Elbow,P/N 110291To remove the heating element,remove the heater front supportand pull heating - Oil Temperature Control (blue wire)7 (yellow dot)6 (whitedot)8911"Old"stylelimits5A - "O" Ring11 - HeaterFront SupportOil is heated as it flows aroundthe cylinder5 Cylinder CoverRA/RADRV110/140/235350500225/325 Fuel Heat Exchanger Assembly Components1 Fuel Heat Exchanger Box (less Codes 2 and 3)2 Fuel Heat Exchanger Box Front3 Fuel Heat Exchanger Box Corner 4 Band (from heat exchanger box around burner tube) - not shown5 Oil Primary Heater Assembly (includes 2-piece aluminum cylinder, end cap, and "O" ring, Code 5A)5 AReplacement "O" ring for Oil Heater cylinder6 Oil Temperature Control, 170 , Honeywell 2455 RPV87550027 Low Oil Temperature Limit, 155 , Honeywell 2455 RPV87550038 High Oil Temperature limit, 220 , Honeywell 2455 RPV87550019 Heater, Hotwatt #SC75-6106953129384 209190, 120V (beginning 1/20/05) 106953300 Watt157048, 230V (prior to 1/20//05)770 Watt10 Copper/Brass Pipe, 1/8" NPT x 2-1/2" long11 Heater Front Support 107122104787210761 (replaces 105318)650 Watt300 Watt104784104788104789179313210762 (replaces 105319)210763 (replaces 105320)CodeDescription101916132224 Form RZ-NA P-RA/RAD/RV, Page 4 Burner - Models RA, RAD, and RV2925 BurnerJunctionBoxMain Electrical Box* Model 110 requires low fire baffle, P/N 107028.

8 Model 110 and Model 140-H (high altitude) require a nozzle, P/N a Rotary Vane Compressor -mfgd before 1/93 (replacementburner is not available)Burner Assy on Models RA/RAD 350 Burner Assy on Models RA/RAD 110/140/235 Main Electrical Box2529 BurnerJunctionBoxPiston Compressor -All units manufacturedbeginning 1/93 have apiston 20 -BurnerAssembly(includesCodes 21-28)252221 ARA/RADRV110/140235350500225/32520 Complete Replacement Burner Assembly including burner motor for p iston ty pe comp ressor only) 123918* 123918 148253----21 Burner Housing Assembly only , Beckett (with p iston compressor)209189, M odel SF-115V(includes Codes 21A, 22, 23, 24, 25, 26, 27, 28)157040, M odel SF-230V21 ABurner Hole Plug22 Burner Assy Gasket (gasket between burner assy and heater cabinet23 Combustion Air Blower Wheel, Beckett 163125, #2288U107027, #299924 Flame Cone Assembly13127313127310477425163126 - 230V 101332 Beckett #21176U120V25 AElectrode/Transformer Connector only25B#10-24 Hex Nut for attaching Connector to Transformer26 Cad Cell Detector and Ey e, Honey well #C554A179427 Burner M otor (For units with p iston air comp ressor only)163127 - 230 VBeckett #21173U28 Air Guide, Beckett #31231--14709629 AIgnition Controller 29 BIgnition Controller Rep lacement Kit (rep laces all contoller models)41598, Beckett #2-456, 1/7 HP208973, Carlin #42230170188M odel RZ1401120V107027, #299910133210477441598147096 Beckett #2-456, 1/7 HPCode111859103420, Beckett #3416 Description124981202595 Transformer with Gaskets and Electrode/Transformer Connectors (includes Code 25A)(2)137576 (replaces P/N 130347)(2)

9 111377123195 (rep laces P/N 101932)Form RZ-NA P-RA/RAD/RV, Page 5 Code 24 -FlameConeAssemblyCode 23 -CombustionAir WheelCode 26 - Cad CellBurnerAssyonModelsRV225andRV325 Burner Fuel Line Components - Models RA/RAD/RVCode 30 - Secondary StrainerAssembly Showing ComponentsCode 30D,Bleeder Adapter,P/N 113795 Code 30E,Bleeder,P/N 113796 Code 30G, Tee, P/N 107341 Code 30A, Screen,P/N 110236 Code 30B, Spring, P/N 110235 Code 30C, O Ring,P/N 110237 Code 30F, Plug,P/N 107371 Main Burner Assembly5/8 Conduit NippleBurner Junction Box Assy7/8 Internal Tooth Lock Washer;See Note Coupling7/8 Internal ToothLock Washer;See Note 27/8 Hex HeadPlug (Brass)3134, See Note Notes 1 & 1 (page 3)Heater Box3030D30E3233 See Note heater is locatedinside the burnerhousing :1. Oil solenoid valve to be piped as follows: Port (1) tosecondary strainer assembly; Port (2) to fuel con-nection assembly; and Port (3) to hex head Located on both ends of conduit Located on the inside of the burner housing assem-bly4.

10 Wrap 4-3/4" lg foam rubber insulation (P/N 107121)around copper tubing Add #4 x 4" lg varglass sleeving (P/N 107312) aroundthe oil solenoid valve All connections are to be tight and Line ComponentsBurner Assy on Models RA/RAD 500 BurnerJunctionBox2925 Code 29-IgnitionController2925 CodeDescriptionFuel Line Components31 Oil Solenoid Valve, Asco #U8325B7V 11017732 Fuel Connection Assembly12028833 Fuel Connection Nut10483534 Copper Tubing Assembly11029035 Foam rubber Insulation, 3/8" x 1/2" Wall x 4-3/4" long (not illustrated)10712136 Flexible Fuel Line10716437 Fuel Inlet Connection12086438 Fuel Inlet Connection Bracket - RV only202817 All ModelsCo deDescriptio nFuel Line Co mpo nents3 0 Secondary Strainer A ssembly1102333 0 AScreen, 7/16" diameter x 7/8" long1102363 0 BSpring, A ssociated Spring #CO 390-043-0810-M1102353 0CO -Ring, Size 113,V iton #A S568-1131102373 0 DBleeder A dapter1137953 0 EBleeder1137963 0 FPlug10737130 GTee107341 All Mo delsForm RZ-NA P-RA/RAD/RV, Page 641 Nozzle42 Electrode44 Clamp45 Varglass46 Buss Bar47 InletHeaterTOP VIEW43 Electrode48 InletHeater Block62 NozzleTemp Control51 SnapBushing61 LowTemperatureLimitFRONTVIEWSIDE VIEWS53 BrassElbow52 BarbedFitting51 Bushing50 AirTubing49 TyRap56 NozzleAdapter54 Cap Screw55 Static Plate Assy57 MachineScrews58 SetScrew59 Insulation60 Brass PipeNozzle/Fuel Line Assembly - Models RA/RAD/RVCode 40 - Fuel Line/Nozzle AssemblyNOTE.