
Manual Number 942.2-IOM-111320
INSTALLATION, OPERATION AND
MAINTENANCE MANUAL
FIGURE 942
3
”, 4” & 6” Drawings ECAV7131, ECAV7118
COMBINATION AIR VALVES
FOR SEWAGE & WASTEWATER
TABLE OF CONTENTS
Introduction
….………………………… 2
Description of Operation
.....………… 2
Receiving & Storage ...
..……………… 2
Installation
......…………………………. 2
Valve Construction
......………………. 3
Preventive Maintenance
....………….. 3
Trouble Shooting
...…………………… 3
Disassembly
....………………………… 3, 4
Reassembly
....…………………………. 4
Backflushing Instructions
…………… 5
Order Replacement Parts
…………….. 5
Warranty
.……………………………….. 5
Figure 942 Drawing/Parts List
…….….. 6
234 Clay Avenue
• Mars, PA 16046 USA
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• Fax (724) 776-1254