Back-pressure-resistant vapor trap for condensate discharge
Backup control for HVAC system
Balanced single port thermostatic expansion valve
Balanced utility load management
Batch-type water heating apparatus
Bath water control system
Bath water control system
Bathing water pre-mixing system
Battery operated thermostat timer with battery charging circuits
Battery operated thermostat timer with battery charging circuits
Battery powered humidity indicator
Battery powered thermostat
Bellows-actuated thermostatic steam traps
Bi-directional air diffuser
Bi-metallic steam trap
Bi-metallic vane vent damper
Bimetal controlled actuator
Bimetal steam trap
Bimetal valve
Bimetal-actuated temperature responsive valve assembly