Thiết bị & Bình nước nóngCâu 207 / 360
A pressure-balancing shower valve protects a bather primarily by:
a.shutting off water if the drain clogs
b.maintaining outlet temperature when cold or hot supply pressure changes
c.increasing flow to 3 gpm automatically
d.venting the shower drain
Giải thích
A pressure-balancing valve senses changes in hot or cold supply pressure, such as a flushed toilet stealing cold water, and adjusts to keep the outlet temperature stable. This prevents a sudden scald or cold shock. It is one approved anti-scald method along with thermostatic valves.
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Câu hỏi liên quan cùng chủ đề
- Grab bars at an accessible water closet must be designed to resist a minimum applied load of:
- The minimum number of plumbing fixtures required for a building is determined primarily by:
- A shower or tub-shower valve in a residence must be an approved anti-scald type that limits hot water temperature to a maximum of:
- The minimum required air gap between a fixture's water supply outlet and the fixture's flood-level rim protects against:
- A lavatory or sink is required to have an overflow only when:
- Plumbing fixtures must be constructed of materials that are:
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