Installation Manual

ManualsBrandsTakagi ManualsCooling & Air QualityT-H2-DV Tankless Water Heater, Direct Vent (Propane)

PartsList

49│Page

Item# Part# Description Item# Part# Description

413 EX021 Heaterplate 450 EX12K Fastener“6‐15”

414 EX01H Fastener“16AG” 451 EKH1Y BandB

415 EKK2P Outletheater 452 EX13B Header

416 EK239 Outletdrainplug 453 EX13P Flatheater

417 EZF06 O‐ringP6FKM 454 EX13R 3arrayheater

418 EX00H Mixing thermistor 455 EZF12 O‐ringP12FKM

419 EZF04 O‐ringP4FKM

456 EKH63

Heatexchangerassembly

forT‐H2‐OS

420 EZF16 O‐ringP16FKM

421

EKH74 Coldpipe 457 EZF03 O‐ringP3FKM

422

EKK38 Inletthermistor

458 EX13A

Secondaryheatexchanger

drainplug

423

EKH32 Watercontrolvalve

424

EW00A ScrewM3×6 459 EX13J Exhaustport

425

EKK27 Pipeheaterfixingplate 460 EKH65 Exhaustchamberassembly

426

EKJ47 Pipeheater120 461 EKH62 Secondaryheatexchangerplate

427 EW00L

PanscrewM

6(W/Washer)

462 EKH38 Heaterfixingplate20

428 EZF15 O‐ringP15FKM 463 EK031 Heaterfixingplate16

429 EKH33 Flowsensor 701 EKH4E T‐H2‐DV/T‐H2‐OSPCB

430 EKH75 Hotpipe 702 EM296 Transformer

431 EX137 Jointelbow 703 EKJ66 Junctionboxinnerplate

432 EKN34 Hi‐limitswitch

704 EKH6K

Freezeprotectionand

EH‐IGwireforT‐H2‐DV

433 EKK2T Outputthermistor 

434 EKH30 Fastener“4‐11” 705 EKH6V Gasvalvewire

435 EKJ02 Wateroutlet 706 EKH6E Exhaustthermistorassembly

436 EZH17 O‐ringJASO#1017FKM 707 EKH6J Thermistorswire

437 EZF14 O‐ringP14FKM 708 EKK12 Proportionalgasvalvewire

438 EKH6H Draintube 709 EKH6F Pumpandmulti‐cable

440 EKH4H

Secondaryheatexchanger

plategasketA

710 EKH69 Flamerodwire

711 EKH6D Switchwire

441 EKH4J

Secondaryheatexchanger

712 EKH71 PCBfixingplate

442

EKH6G Hi‐limitswitchforexhaust 713 EKK3C AC120Vwire

443

EKK24 Fastener“14‐22” 714 EKH6C AC120VTransformerwire

444

EX13H Thermistorfixingplate 715

EKH67

Fusebox

445 EKH5N Secondaryheatexchangerplate 716

EKK4V

AC120VpowerON‐OFFswitch

446 EKH6X Secondaryheatexchanger 717

EKH68

PCBcover

447 EKH66 Drainpipe 718

EC00X

Nylonclamp

448 EKH78

Secondaryheatexchanger

outpipe

719

EKH7A

Freezeprotectionand

EH‐IGwireforT‐H2‐OS

449 EX13L Exhaustthermistorgasket 720

EKH6A

Exhaustfanmotorwire