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PART 4: MAINTENANCE PROCEDURES
This section must be brought to the owner’s attention,
so the owner can make necessary arrangements with a
trained and qualified service technician for periodic
maintenance of this boiler. Installer must also inform
owner that the lack of proper care and maintenance of
this boiler may result in a hazardous condition. Installer
should discuss contents of the User’s Information
Manual with the owner.
KEEP THE BOILER AREA CLEAR AND FREE FROM
COMBUSTIBLE MATERIALS, GASOLINE AND OTHER
FLAMMABLE VAPORS AND LIQUIDS.
BEFORE EACH HEATING SEASON
A trained and qualified service technician should per-
form the inspections listed in these instructions at least
once a year.
Vent Terminal: Check for and remove obstructions.
Closet Installations: Check for and remove ventilation air
opening obstructions.
Vent Tubing: Check for and repair leaks or sagging.
Exhaust Tubing (Externally): Check for corrosion. To
inspect, remove insulation. If corrosion is present,
replace and reseal exhaust tubing assembly and insula-
tion.
Exhaust and Air Intake Tubing (Internally): Check for
and remove obstructions. To inspect, remove tubing
from boiler. When finished, reseal all removed tubing
parts with high-temperature RTV sealant and replace
insulation.
Heat Exchanger: In the unlikely event of boiler flue pas-
sage blockage, service to remedy situation must be per-
formed only by an authorized Slant/Fin representative.
Burner: In the unlikely event of burner sooting or block-
ages, service to remedy situation must be performed
only by an authorized Slant/Fin representative.
System Water: Check that the system is full of water
and properly pressurized. Check for and correct radia-
tion system air “noise”.
Water Piping: Check for and repair any leaks.
Gas Piping: Check for and repair any leaks.
Safety Shutdown Controls: Check operation as detailed
on Page 14 in this manual.
Air Filter: Replace (recommended) or clean annually
(more often if conditions dictate). Slant/Fin replacement
air filter, part number 65-0524 must be used. Can be
cleaned with soap and water; after drying, spray with an
adhesive-type air filter spray which will attract/hold air-
borne dust particles.
Blower and Circulator: These are sealed components
and do not require lubrication.
WATER TREATMENT
A good water treatment program will extend the useful
life of the boiler and is especially recommended in
areas where water quality is a problem. A reputable
water treatment company should be consulted for deter-
mining the best overall treatment program for this equip-
ment.
FREEZE PROTECTION
If anti-freeze must be used, INHIBITED PROPYLENE
GLYCOL is recommended as it is practically non-toxic.
For useful information on the characteristics and mixing
proportions of anti-freeze in heating systems, obtain a
copy of Technical Topics No. 2A from Hydronics
Institute, 34 Russo Place, Berkeley Heights, NJ 07922.
WARNING: DO NOT USE ETHYLENE GLYCOL,
AN AUTOMOTIVE-TYPE OR UNDILUTED ANTI-
FREEZE. SEVERE BOILER DAMAGE CAN RESULT.
REPLACEMENT PARTS
When parts are needed, refer to Slant/Fin’s Prodigy
Replacement Parts List furnished with the boiler. If not
available, contact local Slant/Fin wholesaler or Slant/Fin
Corporation, Greenvale, NY.
Control identification and replacement should not be
attempted by unskilled personnel. Only the simple, easi-
ly-identified controls and parts can be obtained locally.
All other controls and parts may have to be ordered
from Slant/Fin. Pressure relief valve must be ASME
rated for the pressure and gross output of the boiler.
This boiler is equipped with an unconventional gas con-
trol. If this control is replaced, it must be replaced with
an identical gas control and calibrated as specified in
the Operation Procedures.
Replacement parts are available from:
Slant/Fin Corp.
100 Forest Drive
Greenvale, NY 11548
Summary of Contents for Prodigy 21 KC-45
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