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Regulator for gas-heated steam radiators
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Thermally actuated regulator for heaters
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Brooder heater
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Damper control
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Oil control
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Oil burner
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Valve
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Stove head
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Thermostatic regulator
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Stove
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Brooder-canopy support
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Brooder
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Canopy or hover for brooders
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Oil-well control
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Thermostatic valve mechanism
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Tandem wafer regulator
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Heater for hovers or brooders
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