Hubbell ETXA Series, Description, Installation And Operation Manual, Page: 5 / 52

5
SECTION II
– GENERAL DESCRIPTION AND CONSTRUCTION
Technical Specifications Common to All Models:
Materials: Stainless Steel
Exchanger and Casing
Plumbing
Connection:
Low
Flow
1” FNPT
Energy
Efficiency:
98%
High
Flow
1” FNPT
Voltage: 208-600 Volts Operating Range: 5 – 150 psi
Frequency: 50 / 60 Hz Protection: Thermal Auto Reset
Product Overview TXA/MTXA:
Notes:
1. Transformers are only installed on 3-phase models over 240 volts.
2. System components and layout are subject to change without notice.
Hi-Limit Switches
Heating Elements
Element Switching
Devices (Triacs)
Transformer Flow Meter
Control Board
Control Fuse
Ground Lug
Power Distribution
Block
Magnetic
Contactor
Heating Chamber
Vent Drain
Cold Water Inlet Hot Water Outlet
Inlet Thermistor
Outlet Thermistor