Question

question 4 (1 point)
most pre - made manifolds will have what on them to make system maintenance easier?
balance valves/flow meters
shutoff valves (blue caps)
purge valves and air bleeders
all of these
question 5 (1 point)
in a distribution systems, most manufacturers recommend loops no longer than a maximum of?
250

Explanation:

Balance Valves/Flow Meters help in regulating and measuring flow for maintenance. Shutoff Valves allow isolation of parts of the system. Purge Valves and Air Bleeders are used to remove air and unwanted substances. All these components make system - maintenance easier on pre - made manifolds.

Answer:

D. All of these