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A new system must be thoroughly cleaned, ushed and drained, then re lled with clean water.
Foreign material circulating through the system could be detrimental to the pump and to the
heat transfer e ciency of the system and may lead to future problems. The system must be
thoroughly purged of air before it is energized for the rst time. Elements will burn
out if the boiler is not full of water when the boiler is turned on. Do not connect the
thermostat wires until the entire system is full of water, and thoroughly purged of
air.
The automatic air vent is to assist in removing air from the top of the tank to prevent elements
from burning out. It alone is not su cient in removing air from the entire heating system.
Additional air vents must be installed throughout the system to eliminate any air
that may enter the system.
Check List
(1) Plumbing complete.
(2) System ushed.
(3) System free of air (purged).
(4) Pump rotates freely.
(5) Thermostat connected.
(6) Electrical supply connections complete.
Maintenance
At the start of each heating season it is advisable to have a quali ed technician check and
inspect the boiler and the heating system for proper operation.
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