System for freeze protection of pipes
System for providing temporary water service between a water mai
Temperature activated valve
Temperature actuated valve
Temperature controlled valve mechanism and method
Temperature controlled valve mechanism and method
Temperature-activated valve
Temperature-responsive valve
Test cock apparatus with freeze protection capability
Thermally responsive valve
Thermally responsive valve activating assembly
Thermally-activated drip valve
Thermally-activated drip valve
Thermostatic self-powered drain valve
Thermostatic self-powered drain valve
Thermostatic self-powered drain valve
Vacuum pressure breaker and freeze protection for a water...
Valve mechanism
Water cock with non-freezing valve
Water freeze guard valve