Safety apparatus for combustion device

Saucepan, particularly for use by disabled persons

Sauna heater

Sauna stove

Secondary circulation system

Sediment agitating apparatus for water heater

Sediment agitating apparatus for water heater

See through fireplace

Self clamping temporary foam dam for protecting water heater ele

Self contained pond heater

Self powered furnace

Self-contained heating apparatus

Self-heating cup

Semi-instantaneous water heater with helical heat exchanger

Simulated log-burning fireplace

Sludge treatment system using two-stage heat recovery...

Snuffer for kitchen fires

Solar rock fireplace heating system

Solar water heating system

Solid fuel burning heating system