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TANKLESS
WATER HEATERS
Models & Prices

Tankless Water Heater Product Guide
Descriiption / Specification

Tankless Water Heater Applications
Residential / Commercial

Tankless Water Heater Electrical Guide
Service Calculations

Tankless Water Heater Installation
Plumbing / Electrical

Tankless Water Heater Cost Comparisons
Reports / Listings

Tankless Water Heaters Service Guide
Remove / Repair

Internal Workings & Identification
Two Chamber (RA-9, 11 & 14)

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Legend

1:Heating Element #1
2: Heating Element #2
3:Inlet Water Tube
4:Level Detect Screw
5:Outlet Water Tube
6: Printed Circuit Board
7: Heating Element Relays (4)
8:Transformer
9:Audible Speaker
10:Output Temperature Control
11:Microprocessor Control Chip
12:Blue Button; Activates Audible
13:Terminal Spades for Leak Detect Wires
14:Triacs (4)
15:Triac Mounting Blocks to Heat Sink (4)
16:Copper Heat Sink Tube

L1:Power Connection Lugs (208 — 240 VAC)
L2:Power Connection Lugs (208 — 240 VAC)
H. Limit : High Temperature Limit Switches
TH-IN : Inlet Temperature Sensor
TH-1 : Chamber Temperature Sensor #1
TH-2 : Chamber Temperature Sensor #2

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