| Selecting the proper Control Kit for your application |
| Model |
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Draft Proving Switch |
Gas Pressure Switch |
Secondary Safety Switch |
Thermal Post Purge |
Adjustable Electronic Post Purge |
Fixed Post Purge |
Draft Control |
RJR-6 |
| Oil |
| CK-61 |
All oil-fired systems.
Has adjustable electronic post purge. |
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| CK-62 |
All oil-fired systems. Has thermally activated post purge. |
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| CK-63 |
All oil-fired systems. (May require optional delay oil valve for simultaneous burner operation.) |
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| Gas - 30 mv |
CK-20FV CK-20FG |
30 millivolt gas-fired water heaters and gas-fired pool or spa heaters with a manual or internally mounted thermostat. |
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| CK-21 |
Gas-fired instantaneous water heaters with pressure tap port in the burner manifold. |
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| Gas - 24 v |
CK-41F CK-41P** |
Furnaces, boilers, unit heaters and water heaters operating with a 24 VAC gas valve without factory mounted spillage switches. |
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| CK-43 |
Draft induced 24 VAC gas valve systems. Includes a 4" MG-1 draft control and post purge. |
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| Gas - 750 mv |
| CK-81*** |
750 millivolt operated boilers, furnaces, water heaters, pool or spa heaters and gas-fired fireplaces when operated with a remote mounted thermostat or on/off switch. Operated off a 24 VAC circuit. |
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| Gas - Co-venting Multiple Appliances |
CK-91FV CK-91FG |
Gas-fired draft induced 24 VAC gas valve systems and a 30 millivolt operated water heater. Includes a 4" MG-1 draft control and post purge. |
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CK-92FV CK-92FG CK-92FVP** CK-92FGP** |
Gas-fired furnace or boiler and a 30 millivolt operated water heater. Includes post purge. |
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