1:
A combination of Class I and II parts will satisfy maintenance requirements 85% of the time.
XXVI. Recommended Spare Parts
Table 25: Recommended Spare Parts for 2900 Series POSRV
1
Class
Part Name
Class I Parts should be stocked at the rate of one
(1) per valve. Maintaining this level of spare parts
will provide replacement parts for 70% of possible
maintenance requirements
I
Pilot Valve
O-Ring Kit
Plug Filter
Main Valve
O-Ring Kit / Gasket Kit
Metal Disc
Nozzle
Bellows (if required)
Disc Retainer
Class II parts should be stocked at the rate of one
(1) part per each five (5) valves in the population.
Class II parts will provide replacement parts for an
additional 15% of possible maintenance require-
ments.
II
Pilot Valve
Main Piston
Tube Fittings (2)
Modulator Stop
O-Ring Retainer
Backflow Preventer Seal Kit
Piston Nose
Main Valve
Disc Holder
O-Ring Retainer (if required)
Guide
Main Valve Piston
1 set of Nuts and Studs
Tube Fittings (2)
Consolidated 2900 Series Generation II POSRV Instruction Manual
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