Discontinued Models
WHK-2 Millivolt Interlock Kit (Discontinued 8/07)

The WHK-2 is used to interlock a millivolt controlled water heater of up to 120,000 BTU/hr with a Power Venters (Gas, Oil) or Draft Inducer. Kit includes: Gas Solenoid Valve and Linear Limit Switch safety interlock to provide 100% safety shut down if a venting malfunction occurs, Gas Pressure Switch, Post Purge Timer / Relay and Control Cables necessary for interlock.
NOTE: The WHK-2 is not compatible with the UC1 Universal Control or MAC1E & MAC4E Multiple Appliance Controls.
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