HVACopedia

Rinnai · Tankless water heater parts

Rinnai SENSEI RX/CX condensing tankless water heater: parts list

159 replacement parts with OEM part numbers for 10 models. Pick your model for a list of only the parts that fit it.

Models

CX160iCX199iCXP160iCXP199iRX130iRX160iRX180iRX199iRXP160iRXP199i

Jump to: Controls & boards · Ignition & flame · Gas valve & orifices · Pressure & limit switches · Electrical · Motors & blowers · Inducer & venting · Heat exchanger & burners · Condensate · Water / hydronic · Cabinet & doors · Other

Controls & boards

PartPart #FitsQtySize / rating
Controller (remote temperature controller)
Item 019.		105002017All 10 models1
Pump circuit assembly
Item 600.		105002027RXP199i, RXP160i, CXP199i, CXP160i1
Pump circuit board
Item 601.		105002001RXP199i, RXP160i, CXP199i, CXP160i1
Pump circuit cover
Item 602.		109001412RXP199i, RXP160i, CXP199i, CXP160i1
Pump circuit plate
Item 603.		109001413RXP199i, RXP160i, CXP199i, CXP160i1
PC board, residential
Item 700.		105002028RX199i, RX180i, RX160i, RX130i, RXP199i, RXP160i1
PC board, commercial
Item 701.		105002029CX199i, CX160i, CXP199i, CXP160i1
PCB cover
Item 702.		109001414All 10 models1

Ignition & flame

PartPart #FitsQtySize / rating
Electrode heater bracket
Item 155.		109001402All 10 models1
Igniter bracket
Item 014.		109001392All 10 models1
Igniter assembly (module)
Item 016.		105002016All 10 models1
Electrode / flame rod assembly
Item 150.		105002021All 10 models1
Electrode
Item 151.		105002022All 10 models1
Flame rod
Item 152.		105002023All 10 models1
Electrode gasket
Item 153.		109001400All 10 models1
Electrode plate
Item 154.		109001401All 10 models1
Electrode sleeve
Item 156.		109000620All 10 models1

Gas valve & orifices

PartPart #FitsQtySize / rating
Gas valve assembly
Item 114. name/number pairing taken from list order in a jumbled table block (items 111-131)		106000269All 10 models1
Gas connection pipe
Item 116. name/number pairing taken from list order in a jumbled table block (items 111-131)		106000270All 10 models1
Gas tube bracket
Item 117. name/number pairing taken from list order in a jumbled table block (items 111-131)		109000635All 10 models1
Inlet gas supply connection
Item 118. name/number pairing taken from list order in a jumbled table block (items 111-131)		106000119All 10 models1
Inlet gas test port screw
Item 119. name/number pairing taken from list order in a jumbled table block (items 111-131)		106000138All 10 models2

Pressure & limit switches

PartPart #FitsQtySize / rating
Overheat switch (OHS)
Item 135.		105002019All 10 models1
OHS bracket
Item 136.		109001398All 10 models1

Electrical

PartPart #FitsQtySize / rating
Ground screw
Item 011.		109000076All 10 models1
Self-tapping grounding screw
Item 017.		CP-80452All 10 models5
Ground plate
Item 022.		109000774All 10 models1
Noise filter
Item 121. name/number pairing taken from list order in a jumbled table block (items 111-131)		106000271All 10 models1
Power cord assembly
Item 710.		105002030All 10 models1
Sensor harness 1
Item 712. mapping unclear on page (six quantities printed)		105002031All 10 models1
Sensor harness 3
Item 714. mapping unclear on page (two quantities printed)		105002032All 10 models1
Heater relay harness, non-pump model
Item 715.		105002033RX199i, RX180i, RX160i, RX130i, CX199i, CX160i1
Heater relay harness, pump model
Item 716.		105002034RXP199i, RXP160i, CXP199i, CXP160i1
Ground harness
Item 717. mapping unclear on page (4 quantities, no model columns readable)		105002035All 10 models1
Igniter harness
Item 719.		105002036All 10 models1
Freeze protection heater, non-pump model
Item 720.		105002037RX199i, RX180i, RX160i, RX130i, CX199i, CX160i1
Freeze protection heater, pump model
Item 721.		105002038RXP199i, RXP160i, CXP199i, CXP160i1
Heat exchanger freeze protection heater
Item 722.		105002039All 10 models1
Ceramic heater
Item 723.		105002040All 10 models1
Secondary heat exchanger freeze protection heater
Item 724.		105002041All 10 models1
Heater clip A
Item 730.		AU124-618X01All 10 models1
Heater clip C
Item 731.		U250-625All 10 models2 (non-pump) / 4 (pump)
Freeze protection heater bracket
Item 733.		109000647All 10 models1
Control harness
Item 750.		105002042All 10 models1
Pump harness
Item 751.		105002043RXP199i, RXP160i, CXP199i, CXP160i1
Pump circuit harness
Item 752.		105002044RXP199i, RXP160i, CXP199i, CXP160i1
External pump harness
Item 862. mapping unclear on page (two quantities printed)		105000250All 10 models1

Motors & blowers

PartPart #FitsQtySize / rating
Combustion fan assembly
Item 110.		108000130All 10 models1
Fan mounting packing
Item 111. name/number pairing taken from list order in a jumbled table block (items 111-131)		109001396All 10 models1

Inducer & venting

PartPart #FitsQtySize / rating
Exhaust duct assembly
Item 200.		108000131All 10 models1
Exhaust gasket
Item 201.		109001403All 10 models2
Intake gasket
Item 202.		109001404All 10 models1
Air supply seal ring
Item 203.		109001405All 10 models1
Exhaust duct gasket
Item 206.		109001406All 10 models1
Exhaust adapter ring
Item 212.		108000132All 10 models1
Air inlet seal ring, 2 in.
Item 213.		109001408All 10 models2
Air inlet gasket
Item 214.		109001409All 10 models1
Air duct assembly
Item 220.		108000133All 10 models1
Air inlet filter
Item 221.		108000086All 10 models1
Air inlet cap
Item 222.		108000134All 10 models1
Combustion check valve assembly
Item 103.		108000135All 10 models1
Vent screen set
Item 861.		108000104All 10 models1

Heat exchanger & burners

PartPart #FitsQtySize / rating
Combustion chamber support plate
Item 012.		109001391All 10 models2
Burner assembly, large
Item 100.		106000265RX199i, RX180i, CX199i, RXP199i, CXP199i1
Burner gasket, large
Item 101.		109001394RX199i, RX180i, CX199i, RXP199i, CXP199i1
Burner plate assembly, large
Item 102.		106000266RX199i, RX180i, CX199i, RXP199i, CXP199i1
Burner assembly, small
Item 105.		106000267RX160i, RX130i, CX160i, RXP160i, CXP160i1
Burner gasket, small
Item 106.		109001395RX160i, RX130i, CX160i, RXP160i, CXP160i1
Burner plate assembly, small
Item 107.		106000268RX160i, RX130i, CX160i, RXP160i, CXP160i1
Heat exchanger assembly, large
Item 130. name/number pairing taken from list order in a jumbled table block (items 111-131)		107000640RX199i, RX180i, CX199i, RXP199i, CXP199i1
Heat exchanger assembly, small
Item 131. name/number pairing taken from list order in a jumbled table block (items 111-131)		107000641RX160i, RX130i, CX160i, RXP160i, CXP160i1
Heater bracket
Item 133.		109001397All 10 models2
Secondary heat exchanger bracket
Item 141.		109001399All 10 models1

Condensate

PartPart #FitsQtySize / rating
Condensate trap
Item 145.		107000642All 10 models1
Condensate drain tube
Item 147.		107000643All 10 models1
Drain tube at air intake
Item 148.		107000644All 10 models1

Water / hydronic

PartPart #FitsQtySize / rating
Water inlet connection, 3/4 in.
Item 400.		107000645All 10 models1
Water inlet filter plug assembly
Item 401.		107000646All 10 models1
Water flow servo assembly, residential
Item 402.		107000647RX199i, RX180i, RX160i, RX130i, RXP199i, RXP160i1
Water flow servo assembly, commercial
Item 403.		107000648CX199i, CX160i, CXP199i, CXP160i1
Quick fastener 16B
Item 404.		109000636All 10 models1 (non-pump) / 4 (pump)
O-ring
Item 405.		107000324All 10 models6
Quick fastener 12.7
Item 406. mapping unclear on page (4 quantities, no model columns readable)		809000172All 10 models1
Cover
Item 407.		107000093All 10 models2
Item in cold-water inlet group 409-420 (name not matched)
Item 409. mapping unclear on page		107000325All 10 models1
Item in cold-water inlet group 409-420 (name not matched)
Item 410. mapping unclear on page		107000649All 10 models1
Item in cold-water inlet group 409-420 (name not matched)
Item 411. mapping unclear on page		109001410All 10 models8 or 9
Item in cold-water inlet group 409-420 (name not matched)
Item 412. mapping unclear on page		109001284All 10 models2
Item in cold-water inlet group 409-420 (name not matched)
Item 413. mapping unclear on page		AH69-310All 10 models2
Item in cold-water inlet group 409-420 (name not matched)
Item 414. mapping unclear on page		109000244All 10 models3
Item in cold-water inlet group 409-420 (name not matched)
Item 415. mapping unclear on page		107000650All 10 models1
Item in cold-water inlet group 409-420 (name not matched)
Item 416. mapping unclear on page		107000621All 10 models1
Item in cold-water inlet group 409-420 (name not matched)
Item 417. mapping unclear on page		M8D1-15All 10 models1 / 2
Item in cold-water inlet group 409-420 (name not matched)
Item 418. mapping unclear on page		109001287All 10 models1
Item in cold-water inlet group 409-420 (name not matched)
Item 419. mapping unclear on page		109001418All 10 models1
Item in cold-water inlet group 409-420 (name not matched)
Item 420. mapping unclear on page		107000651All 10 models1
Bypass connection joint, residential
Item 435.		107000652RX199i, RX180i, RX160i, RX130i, RXP199i, RXP160i1
Bypass connection joint, commercial
Item 436.		107000653CX199i, CX160i, CXP199i, CXP160i1
Hot water connection pipe
Item 440.		107000654All 10 models1
Quick fastener
Item 442.		109000638All 10 models1
Retention clip
Item 443.		U211-322X01All 10 models1
Bypass pipe, non-pump model
Item 450.		107000655RX199i, RX180i, RX160i, RX130i, CX199i, CX160i1
Quick fastener
Item 452.		109000639All 10 models1 (non-pump) / 3 (pump)
Bypass pipe, pump model
Item 455.		107000656RXP199i, RXP160i, CXP199i, CXP160i1
Hot water outlet connection
Item 462.		107000657All 10 models1
Drain plug
Item 512.		107000661All 10 models1
O-ring
Item 513. mapping unclear on page (4 quantities, no model columns readable)		109000182All 10 models2
Drain plug
Item 514. mapping unclear on page (4 quantities, no model columns readable)		107000058All 10 models1
Thermal bypass valve
Item 863. mapping unclear on page (two quantities printed)		107000143All 10 models1

Cabinet & doors

PartPart #FitsQtySize / rating
Front cover, residential
Item 001.		109001388RX199i, RX180i, RX160i, RX130i, RXP199i, RXP160i1
Front cover, commercial
Item 002.		109001389CX199i, CX160i, CXP199i, CXP160i1
Wall mount bracket
Item 003.		109000594All 10 models2
Connection reinforcement plate
Item 007.		109001390All 10 models1
Rubber bushing
Item 008.		109000634All 10 models1
Rubber bushing A
Item 009.		CF79-41020-AAll 10 models1
Latch
Item 018.		109001393All 10 models2
Mounting bracket
Item 860.		109000628All 10 models1

Other

PartPart #FitsQtySize / rating
Exhaust thermistor
Item 204.		105002024All 10 models1
O-ring
Item 205.		107000323All 10 models3
Thermistor screw
Item 207.		109000622All 10 models1
O-ring
Item 208.		M10B-2-4All 10 models1
Rubber cap
Item 210.		109001407All 10 models1
Inlet water thermistor
Item 408.		105002025All 10 models1
Outlet twin thermistor
Item 465.		105002026All 10 models1
Surface-mount thermistor
Item 466.		105002045All 10 models1
Recirculation pump
Item 500.		107000658RXP199i, RXP160i, CXP199i, CXP160i1
Pump connector cover
Item 501.		109001411RXP199i, RXP160i, CXP199i, CXP160i1
Screw with washer
Item 010.		106000645All 10 models1
Truss screw
Item 013.		109000598All 10 models13
Ambient thermistor
Item 020.		105002018All 10 models1
TH gasket
Item 021.		109000490All 10 models1
Screw
Item 104.		109001419All 10 models9
O-ring
Item 112. name/number pairing taken from list order in a jumbled table block (items 111-131)		109000612All 10 models1
Hex head screw
Item 113. name/number pairing taken from list order in a jumbled table block (items 111-131)		ZQAA0514UKAll 10 models3
O-ring
Item 115. name/number pairing taken from list order in a jumbled table block (items 111-131)		109000252All 10 models2
O-ring
Item 120. name/number pairing taken from list order in a jumbled table block (items 111-131)		M10B-13-4All 10 models2
Thermistor
Item 138.		105002020All 10 models1
Recirculation water joint assembly with check valve
Item 505.		107000659RXP199i, RXP160i, CXP199i, CXP160i1
Check valve
Item 509.		107000134RXP199i, RXP160i, CXP199i, CXP160i1
Pump outlet connection pipe
Item 520.		107000660RXP199i, RXP160i, CXP199i, CXP160i1
Screw
Item 801.		CP-30583All 10 models4
Screw
Item 802.		ZBA0408UKAll 10 models1
Screw
Item 803.		CP-30580All 10 models25
Screw
Item 806.		109000649All 10 models4
Screw
Item 807.		U217-449All 10 models5 (RX/RXP) / 7 (CX/CXP)
Screw
Item 808.		209000206All 10 models5
Screw
Item 809.		109001415All 10 models2
Screw
Item 811.		108000021All 10 models1
Screw
Item 812.		109001416All 10 models2
Screw
Item 813.		109000179All 10 models4
Screw
Item 814.		109001417All 10 models7
Screw
Item 815.		809000179All 10 models3
Screw
Item 867. mapping unclear on page (4 quantities, no model columns readable)		109001300All 10 models2
Installation and operation manual, residential, English
Item 888.		100000839RX199i, RX180i, RX160i, RX130i, RXP199i, RXP160i1
Installation and operation manual, residential, French
Item 889.		100000851RX199i, RX180i, RX160i, RX130i, RXP199i, RXP160i1
Installation and operation manual, commercial, English
Item 890.		100000840CX199i, CX160i, CXP199i, CXP160i1
Installation and operation manual, commercial, French
Item 891.		100000852CX199i, CX160i, CXP199i, CXP160i1
Technical data sheet
Item 892.		100000849All 10 models1
Gas conversion kit
Printed beside the diagnostic code table; which models it fits is not printed.		104000330All 10 models1

Source: Rinnai SENSEI RX/CX technical guide U362-0875 (parts list). Part names are written by HVACopedia.

Part numbers are taken from the manufacturer’s published repair parts documents and are listed so you can identify the right part. Manufacturers replace and supersede numbers over time, so confirm the number with your distributor before you order, and use factory-authorized parts on equipment under warranty. Replacing gas, electrical and refrigerant parts is work for a licensed technician. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.