4
3. Water Boilers
a. Boiler water pH should be in the 7.5 to 11
range.
b. Boiler water chloride concentration should
be less than 30 ppm.
c. The water hardness should be less than 9 grains
per gallon to prevent scale build-up.
Consult a local qualified water treatment specialist for
recommendations regarding the appropriate chemical
compounds and concentrations which are compatible
with local environmental regulations.
Boiler failure caused by excessive make-up water and
poor water quality are not covered as manufacturing
defects.
G. OIL VENT DAMPER KITS
Oil Vent Damper Kits are required when boiler is
fired at the following additional rates:
EC(T)-e-03-120 and EC(T)-e-04-175
91785: EC(T)-e-03-120 1.20 GPH Input.
91786: EC(T)-e-04-175 1.75 GPH Input.
Each kit includes a Field Controls oil vent damper
with blocked vent switch, quick-connect harness,
rating label, nozzle, and instructions. Current
product literature can be found at
PeerlessBoilers.com.
PREINSTALLATION
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