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CONTROL KITS
CK-20F/HWK: For operation with 30 or 750 millivolt gas-fired water heaters, gas-fired space heaters and gas-fired pool or
spa heaters with an internally mounted thermostat. Includes a fixed post purge.
CK-21: For operation with gas-fired instantaneous water heaters with a pressure tap port in the burner manifold.
CK-40F/41F: For operation with gas-fired furnaces, boilers, unit heaters and water heaters operating with a 24 VAC gas
valve. For systems not equipped with factory mounted spillage switches, use the CK-41F which includes
two GSK-3 spill switches. Includes a fixed post purge.
CK-43/43F: For draft induced 24 VAC gas valve systems. Includes a 4" MG-1 draft control and electronic post purge.
The CK-43F includes a fixed post purge.
CK-61: For operation with oil-fired systems. Has electronic post purge.
CK-62: For operation with oil-fired systems. Has thermally activated post purge.
CK-63: For operation with oil-fired systems. Has electronic post purge. For operating venter with or without burner
motor.
CK-81: For operation with 750 millivolt operated boilers, furnaces, water heaters, pool or spa heaters and gas-
fired fireplaces when operating with remote mounted thermostat. Operated off a 24 VAC thermostat. For
operation off of a 120 VAC thermostat or wall switch, use the CK-80.
CK-91/91F: For gas fired draft induced 24 VAC gas valve systems and a 30 millivolt operated water heater. Includes a
4" MG-1 draft control and an electronic post purge. The CK-91F includes a fixed post purge.
CK-92*/92F: For operation with gas-fired furnaces, boilers, unit heaters and water heaters operating with a 24 VAC gas
valve and a 30 millivolt operated water heater. Includes an electronic post purge. The CK-92F includes a
fixed post purge.
INSTALLATION SAFETY INSTRUCTIONS
CAUTION: This device must be installed by a qualified installer in accordance with the manufacturer's installation instructions.
Appliances should have a minimum of 75% combustion efficiency or have a maximum measured flue gas temperature of
550°F (Stainless steel units maximum temperature rating 650°F US/575°F CA) at the inlet of the power venter.
1. The power venting system must be installed by a qualified installer. "Qualified Installer" shall mean an individual who
has been properly trained or a licensed installer. The installer must write or imprint his name, phone number and date
of installation on the installation tag. The tag should be attached to the power venting system control kit box or power
venter unit. Recording burner and venting system initial operational information is strongly recommended as a guide
for service or burner tune-up. Enter this on the back page of this manual.
2. Safety inspection of a venting system should be performed before and after installing a power venting system on an
existing or new appliance. Procedures to follow are those recommended by the National Flue Gas Code
A.N.S.I.Z223.1, or refer to the General Installation Inspection section of this manual.
3. Plan the vent system layout before installation to avoid the possibility of accidental contact with concealed wiring or
plumbing inside walls.
4. Single wall vent pipe (refer to Diagram B) may be used to join an appliance to the venting system, but if proper
clearances cannot be maintained from combustible materials, Class B Vent Pipe should be used for gas appliances
and Class L Type Vent Pipe for oil appliances. Refer to national or local codes for guidelines.
5. Disconnect power supply before making wiring connections to prevent electrical shock and equipment damage.
6. This equipment is designed to overcome minor negative pressure conditions. To ensure extreme negative pressure
does not exist, follow the General Installation Inspection section of this manual.
7. Heating appliances equipped with draft hoods, such as boilers or furnaces, LP gas appliances and Natural gas
appliances SHOULD have a secondary spillage switch installed. On appliances without draft hoods, it is recommended
that a secondary safety switch such as a WMO-1, GSK, FTS, or TSP-1 be used. Gas-fired 30 millivolt power systems
MUST be equipped with a spillage switch.
8. Air flow adjustment MUST be made to ensure appliance efficiency. This should be done at the appliance exhaust
outlet with a velocity meter, draft gauge or by "match test procedure". A match test is in accordance with National Fuel
Gas Code A.N.S.I.Z223.1, Section 8.6.
9. On oil-fired and gas-fired heating appliances not equipped with a draft hood, a barometric draft control MUST be
installed to regulate proper air flow and fluctuations in the system's air flow during operation. Fluctuations may come
from wind loads on the outlet of the power venter, house de-pressurization during windy days and the different house
ventilation requirements between summer and winter operation. For gas appliances, use a Field Controls Type MG-1
Barometric Draft Control. For oil appliances use a Field Controls Type M or RC Barometric Draft Control. Gas-fired
draft induced systems should have a single-acting barometric draft control installed.