HVACopedia

Rinnai · Tankless water heater · SENSEI RX/CX series

CX199i parts

135 replacement parts that fit the Rinnai CX199i, with OEM part numbers, grouped by system.

Controls & boards

PartPart #QtySize / rating
Controller (remote temperature controller)
Item 019.		1050020171
PC board, commercial
Item 701.		1050020291
PCB cover
Item 702.		1090014141

Ignition & flame

PartPart #QtySize / rating
Electrode heater bracket
Item 155.		1090014021
Igniter bracket
Item 014.		1090013921
Igniter assembly (module)
Item 016.		1050020161
Electrode / flame rod assembly
Item 150.		1050020211
Electrode
Item 151.		1050020221
Flame rod
Item 152.		1050020231
Electrode gasket
Item 153.		1090014001
Electrode plate
Item 154.		1090014011
Electrode sleeve
Item 156.		1090006201

Gas valve & orifices

PartPart #QtySize / rating
Gas valve assembly
Item 114. name/number pairing taken from list order in a jumbled table block (items 111-131)		1060002691
Gas connection pipe
Item 116. name/number pairing taken from list order in a jumbled table block (items 111-131)		1060002701
Gas tube bracket
Item 117. name/number pairing taken from list order in a jumbled table block (items 111-131)		1090006351
Inlet gas supply connection
Item 118. name/number pairing taken from list order in a jumbled table block (items 111-131)		1060001191
Inlet gas test port screw
Item 119. name/number pairing taken from list order in a jumbled table block (items 111-131)		1060001382

Pressure & limit switches

PartPart #QtySize / rating
Overheat switch (OHS)
Item 135.		1050020191
OHS bracket
Item 136.		1090013981

Electrical

PartPart #QtySize / rating
Ground screw
Item 011.		1090000761
Self-tapping grounding screw
Item 017.		CP-804525
Ground plate
Item 022.		1090007741
Noise filter
Item 121. name/number pairing taken from list order in a jumbled table block (items 111-131)		1060002711
Power cord assembly
Item 710.		1050020301
Sensor harness 1
Item 712. mapping unclear on page (six quantities printed)		1050020311
Sensor harness 3
Item 714. mapping unclear on page (two quantities printed)		1050020321
Heater relay harness, non-pump model
Item 715.		1050020331
Ground harness
Item 717. mapping unclear on page (4 quantities, no model columns readable)		1050020351
Igniter harness
Item 719.		1050020361
Freeze protection heater, non-pump model
Item 720.		1050020371
Heat exchanger freeze protection heater
Item 722.		1050020391
Ceramic heater
Item 723.		1050020401
Secondary heat exchanger freeze protection heater
Item 724.		1050020411
Heater clip A
Item 730.		AU124-618X011
Heater clip C
Item 731.		U250-6252 (non-pump) / 4 (pump)
Freeze protection heater bracket
Item 733.		1090006471
Control harness
Item 750.		1050020421
External pump harness
Item 862. mapping unclear on page (two quantities printed)		1050002501

Motors & blowers

PartPart #QtySize / rating
Combustion fan assembly
Item 110.		1080001301
Fan mounting packing
Item 111. name/number pairing taken from list order in a jumbled table block (items 111-131)		1090013961

Inducer & venting

PartPart #QtySize / rating
Exhaust duct assembly
Item 200.		1080001311
Exhaust gasket
Item 201.		1090014032
Intake gasket
Item 202.		1090014041
Air supply seal ring
Item 203.		1090014051
Exhaust duct gasket
Item 206.		1090014061
Exhaust adapter ring
Item 212.		1080001321
Air inlet seal ring, 2 in.
Item 213.		1090014082
Air inlet gasket
Item 214.		1090014091
Air duct assembly
Item 220.		1080001331
Air inlet filter
Item 221.		1080000861
Air inlet cap
Item 222.		1080001341
Combustion check valve assembly
Item 103.		1080001351
Vent screen set
Item 861.		1080001041

Heat exchanger & burners

PartPart #QtySize / rating
Combustion chamber support plate
Item 012.		1090013912
Burner assembly, large
Item 100.		1060002651
Burner gasket, large
Item 101.		1090013941
Burner plate assembly, large
Item 102.		1060002661
Heat exchanger assembly, large
Item 130. name/number pairing taken from list order in a jumbled table block (items 111-131)		1070006401
Heater bracket
Item 133.		1090013972
Secondary heat exchanger bracket
Item 141.		1090013991

Condensate

PartPart #QtySize / rating
Condensate trap
Item 145.		1070006421
Condensate drain tube
Item 147.		1070006431
Drain tube at air intake
Item 148.		1070006441

Water / hydronic

PartPart #QtySize / rating
Water inlet connection, 3/4 in.
Item 400.		1070006451
Water inlet filter plug assembly
Item 401.		1070006461
Water flow servo assembly, commercial
Item 403.		1070006481
Quick fastener 16B
Item 404.		1090006361 (non-pump) / 4 (pump)
O-ring
Item 405.		1070003246
Quick fastener 12.7
Item 406. mapping unclear on page (4 quantities, no model columns readable)		8090001721
Cover
Item 407.		1070000932
Item in cold-water inlet group 409-420 (name not matched)
Item 409. mapping unclear on page		1070003251
Item in cold-water inlet group 409-420 (name not matched)
Item 410. mapping unclear on page		1070006491
Item in cold-water inlet group 409-420 (name not matched)
Item 411. mapping unclear on page		1090014108 or 9
Item in cold-water inlet group 409-420 (name not matched)
Item 412. mapping unclear on page		1090012842
Item in cold-water inlet group 409-420 (name not matched)
Item 413. mapping unclear on page		AH69-3102
Item in cold-water inlet group 409-420 (name not matched)
Item 414. mapping unclear on page		1090002443
Item in cold-water inlet group 409-420 (name not matched)
Item 415. mapping unclear on page		1070006501
Item in cold-water inlet group 409-420 (name not matched)
Item 416. mapping unclear on page		1070006211
Item in cold-water inlet group 409-420 (name not matched)
Item 417. mapping unclear on page		M8D1-151 / 2
Item in cold-water inlet group 409-420 (name not matched)
Item 418. mapping unclear on page		1090012871
Item in cold-water inlet group 409-420 (name not matched)
Item 419. mapping unclear on page		1090014181
Item in cold-water inlet group 409-420 (name not matched)
Item 420. mapping unclear on page		1070006511
Bypass connection joint, commercial
Item 436.		1070006531
Hot water connection pipe
Item 440.		1070006541
Quick fastener
Item 442.		1090006381
Retention clip
Item 443.		U211-322X011
Bypass pipe, non-pump model
Item 450.		1070006551
Quick fastener
Item 452.		1090006391 (non-pump) / 3 (pump)
Hot water outlet connection
Item 462.		1070006571
Drain plug
Item 512.		1070006611
O-ring
Item 513. mapping unclear on page (4 quantities, no model columns readable)		1090001822
Drain plug
Item 514. mapping unclear on page (4 quantities, no model columns readable)		1070000581
Thermal bypass valve
Item 863. mapping unclear on page (two quantities printed)		1070001431

Cabinet & doors

PartPart #QtySize / rating
Front cover, commercial
Item 002.		1090013891
Wall mount bracket
Item 003.		1090005942
Connection reinforcement plate
Item 007.		1090013901
Rubber bushing
Item 008.		1090006341
Rubber bushing A
Item 009.		CF79-41020-A1
Latch
Item 018.		1090013932
Mounting bracket
Item 860.		1090006281

Other

PartPart #QtySize / rating
Exhaust thermistor
Item 204.		1050020241
O-ring
Item 205.		1070003233
Thermistor screw
Item 207.		1090006221
O-ring
Item 208.		M10B-2-41
Rubber cap
Item 210.		1090014071
Inlet water thermistor
Item 408.		1050020251
Outlet twin thermistor
Item 465.		1050020261
Surface-mount thermistor
Item 466.		1050020451
Screw with washer
Item 010.		1060006451
Truss screw
Item 013.		10900059813
Ambient thermistor
Item 020.		1050020181
TH gasket
Item 021.		1090004901
Screw
Item 104.		1090014199
O-ring
Item 112. name/number pairing taken from list order in a jumbled table block (items 111-131)		1090006121
Hex head screw
Item 113. name/number pairing taken from list order in a jumbled table block (items 111-131)		ZQAA0514UK3
O-ring
Item 115. name/number pairing taken from list order in a jumbled table block (items 111-131)		1090002522
O-ring
Item 120. name/number pairing taken from list order in a jumbled table block (items 111-131)		M10B-13-42
Thermistor
Item 138.		1050020201
Screw
Item 801.		CP-305834
Screw
Item 802.		ZBA0408UK1
Screw
Item 803.		CP-3058025
Screw
Item 806.		1090006494
Screw
Item 807.		U217-4495 (RX/RXP) / 7 (CX/CXP)
Screw
Item 808.		2090002065
Screw
Item 809.		1090014152
Screw
Item 811.		1080000211
Screw
Item 812.		1090014162
Screw
Item 813.		1090001794
Screw
Item 814.		1090014177
Screw
Item 815.		8090001793
Screw
Item 867. mapping unclear on page (4 quantities, no model columns readable)		1090013002
Installation and operation manual, commercial, English
Item 890.		1000008401
Installation and operation manual, commercial, French
Item 891.		1000008521
Technical data sheet
Item 892.		1000008491
Gas conversion kit
Printed beside the diagnostic code table; which models it fits is not printed.		1040003301

Same series

The SENSEI RX/CX parts list shows every part for all 10 models side by side. Other models: CX160i, CXP160i, CXP199i, RX130i, RX160i, RX180i, RX199i, RXP160i, RXP199i.

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.