User Guide
Table Of Contents
- ELECTRIC HEATER COMPANY
- WARNING / CAUTION
- TABLE OF CONTENTS
- GENERAL DESCRIPTION
- CONSTRUCTION
- OPTIONS
- Low Water Cut-Off
- Dial Temperature and Pressure Gauge
- Vacuum Relief Valve
- A vacuum relief valve may be provided with the unit to reduce the risk of back siphonage and back pressure of the system. The valve will be shipped loose for in-line installation. Instructions for installation are provided with the valve.
- Electro-Mechanical Timer
- An electro-mechanical 7-day time clock with battery back-up may be supplied for specific timing operations. A set of instructions will be supplied with the timer.
- FINAL CHECKS
- CONSTRUCTION
- GENERAL DESCRIPTION
- Symptom
22
RELIEF VALVE
1. Disconnect power from unit.
2. Shut off incoming water supply.
3. Lift test lever on relief valve to relieve pressure in tank.
4. Disconnect overflow piping.
5. Unscrew relief valve, remove assembly and replace with new one.
6. Connect overflow piping.
7. Turn on incoming water supply and check for leaks.
8. Turn safety switch to ON position.
Test Lever
Overflow Piping Outlet
Tank Connection
Temperature Probe