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Adjustable mount for a gas control valve of a water heater

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Reexamination Certificate

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Air inlets for water heaters

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Patent

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Apparatus and method for delivering water into a water heater

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
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Apparatus and methods for controlling a water heater

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
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Atmospheric gas boiler

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Patent

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Boiler apparatus

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
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Cold water inlet for reducing accumulation of scale

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
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Combustion air inlet diverter plate for a water heater

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Patent

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Condensate trap for condensing gas boiler

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
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Condensing boiler

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Patent

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Control system for a water heater

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Reissue Patent

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Cycle control system for boiler and associated burner

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Reexamination Certificate

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Cylindrical boiler

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Patent

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Ducted secondary air fuel-fired water heater LDO detection

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Reexamination Certificate

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Energy converter using imploding plasma vortex heating

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Patent

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Energy sustaining water heater

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Reexamination Certificate

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Explosion proof gas-fired water heater

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Reexamination Certificate

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Explosion-proof hot water heater with unsealed fuel...

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Reexamination Certificate

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Flame atmosphere analyzer and a water-heating device...

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Reexamination Certificate

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Flammable vapor resistant water heater

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
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