Install Instructions

ManualsBrandsTakagi ManualsCooling & Air QualityT-H2S-OV-NG Tankless Outdoor Water Heater (Natural Gas)

PartsList

48│Page

Item# Description

Part#

520and320

models

T‐H2andT‐

H2Smodels

127

128

Heatexchanger

O‐ringP20NBR

319143‐056

319143‐057

EX12Z

EK042

150

151

152

153

154

ScrewM4×8

PanscrewM4×8

ScrewM4×10

PanscrewM4×12(W/Washe r)

PanscrewM4×10

319143‐058

319143‐059

319143‐060

319143‐061

319143‐062

EW012

EW00D

EW003

EW00H

EW006

155

156

157

Hexheadscrew M4×8

Flangegasketforfanmotor

Siliconring

319143‐063

319143‐329

319143‐206

EW005

EKH4V

EKK3G

401

402

403

404

405

Heatexchangerassemblyfor DirectVentIndoormodels



Siliconring

Fusefixingplate18

Overheat‐cut‐offfuse

Heater101

319143‐064

319143‐065

319143‐066

319143‐067

319143‐068

EKH5P

EKN50

EKK26

EX02A

EX002

406

407

408

409

410

Drainport

Filterplug

O‐ringP25FKM

Waterinletfilter

O‐ringJASO#1021FKM

319143‐069

319143‐070

319143‐071

319143‐072

319143‐073

EKH40

EM222

EZM25

EX006

EZN21

411

412

413

414

415

Waterinlet

O‐ringJASO#1016FKM

Heaterplate

Fastener“16AG”

Outletheater

319143‐074

319143‐075

319143‐076

319143‐077

319143‐078

EM404

EZN16

EX021

EX01H

EKK2P

416

417

418

419

420

Outletdrainplug

O‐ringP6FKM

Mixingthermistor

O‐ringP4FKM

O‐ringP16FKM

319143‐079

319143‐080

319143‐081

319143‐082

319143‐083

EK239

EZM06

EX00H

EZM04

EZM16

421

422

423

424

425

Coldpipe

Inletthermistor

Watercontrolvalve

ScrewM3×6

Pipeheaterfixingplate

319143‐084

319143‐085

319143‐086

319143‐087

319143‐088

EKH74

EKK38

EKH32

EW00A

EKK27

426

427

428

429

430

Pipeheater120

PanscrewM4×6(W/Washer)

O‐ringP15FKM

Flowsensor

Hotpipe

319143‐089

319143‐090

319143‐091

319143‐092

319143‐093

EKJ47

EW00L

EZM15

EKH33

EKH75

431

432

433

434

435

Jointelbow

Hi‐limitswitch

Outputthermistor

Fastener“4‐11”

Wateroutlet

319143‐094

319143‐095

319143‐096

319143‐097

319143‐098

EX137

EKN34

EKK2T

EKH30

EKJ02

436

437

438

440

441

O‐ringJASO#1017FKM

O‐ringP14FKM

Draintube

SecondaryheatexchangerplategasketA

SecondaryheatexchangerplategasketB

319143‐099

319143‐100

319143‐101

319143‐102

319143‐103

EZN17

EZM14

EKH6H

EKH4H

EKH4J