Damper and an assembly therewith

Damper with override control

Delivery stabilizer for ventilation shaft

Device for automatically adjusting angle of louver

Device for controlling temperature of switch knob

Device for opening a pipe and an application of said device

Device for setting a valve

Diagnostic apparatus of coolant temperature sensor,...

Diagnostic system for a fuel-fired water heater

Diagnostic thermostat

Digital thermostat with single rotary encoder switch for establi

Discharge direction control device for air conditioner

Double induction unit

Double ported expansion valve

Draft control arrangement for vent of combustion apparatus

Drain valve

Drinking fountain with automatic stagnant water flushing system

Dual capacity thermal expansion valve

Dual capacity thermal expansion valve

Dual exhaust fluid flow control distribution apparatus