T-H2-OS
Dimension H25.6” x W18.5” x D12.4” Weight: 70 lbs Hot/Cold/Gas Connection 3/4” NPT Clearances Top: 36“ Bottom: 12” Front: 24” Back: 0.5” Sides: 3”
500 Wald, Irvine, CA 92618 Tel: (949) 770-7171 Fax: (949) 385-4886
www.takagi.com
Condensate drain port
Condensate drain port
25-1
/2" (
649m
m)
12-1/2"(316mm)
1/2" (12.5mm)
10-1/2" (266.8mm)
120VAC 8-1/2" (216.3mm)
COLD 8-5/8" (220.6mm)
HOT 7-1/4" (182.1mm)GAS 6" (153.6mm) 1-1/4" (29.2mm) COLD
29-1
/2" (
751m
m)
6-1/4" (159.1mm)HOT 5-5/8" (142.2mm)
120VAC 2-1/4" (58.2mm) 4-5/8" (116.8mm) GAS
12-1/2" (320mm)
18-1/2" (470mm)
4-1/2" (115mm)
3-1/2" (90mm)
4-1/2" (115mm)
U PC
®
High Efficiency, Condensing Model No Venting Required TH-PC02 Low Emission, Low NOx Power Exhaust Pipe Cover Easy-Link Up to 4 Units Electric Ignition TH-NT01 Safety Features: Neutralizer Kit Air-Fuel Ratio (AFR) sensor TK-IV01 Exhaust & Water Temperature Isolation valve Kit
safety Control TH-CVPVC33 Overheat Cutoff Fuse 3" PVC Concentric Termination
Internal Freeze-Protection System HRS 35 Copper on Primary Heat
Exchanger and SS 316L onSecondary Heat Exchanger
Built-in temperature, flow rate, and diagnostic display
Temperature Remote Controllerincluded (TM-RE30)
Features Venting & Combustion Accessories
T-H2-OS
The manufacturer reserves the right to change or discontinue the design, drawing and/or specification of its products without notice at any time.
0.01.02.03.04.05.06.07.08.09.0
10.0
0 20 40 60 80 100 120 140
Flow Rate vs. Temperature Rise Pressure Loss
Flow
Rat
e (g
pm)
Temperature Rise (°F) Flow Rate (gpm)Pr
essu
re L
oss
(psi
)
Hea
d Fe
et
Set Temperature : 125 °F & lower
Set Temperature: 130 °F & Higher
0
20
40
60
80
100
120
05
101520253035404550
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
Installation TypeElectric ConsumptionFuel NG LP
Min 13,000 BTU/h Min 13,000 BTU/hMax 180,000 BTU/h Max 180,000 BTU/h
Energy Factor 0.91 0.91Min 5.0" W.C. Min 8.0" W.C.
Max 10.5" W.C. Max 14.0" W.C. Flow Rate Max 9.0 GPM
40 psi or above recommended for maximum FlowWater Pressure 15-150 psi
Pressure Only Relief Valve Required (Min 200,000 BTUs. 150 psi)
Temp Settings
With PCB Push Buttons & LED Display
100°F, 105°F, 110°F, 115°F, 120°F (Default), 125°F, 135°F, 140°F, 145°F, 150°F, 155°F, 160°F, 165°F, 170°F, 175°F and 185°F (16 options)
With TM-RE30 Temperature Remote Controller 100°F to 185°F with 5°F intervals (18 options), 120°F Default Factory Setting
Outdoor Only120 VAC ; Standby: 0.07 A, Operation: 0.85 A, Freeze-Protection: 1.73 A
Gas Consumption Input
Inlet Gas Pressure
