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Showing posts from December, 2017

On Instant and Storage Water Heaters

When choosing a shower heater, there is two broad categories in the market - instant hot water heaters, and storage water heaters. Here's a look at their differences Instant Water Heater Heats water up instantly as water runs through the equipment Control dial controls the amount of heat transferred to the water Is more limited in how much water could pass through to become heated as water is heated up when the water pipe passes by a heated copper unit - as such, the diameter of the pipe is limited in order to ensure good heat transfer Usually a more fixed design outlook that is combined with a set of shower tap, mixer and shower head Usually not used in low rise landed developments where water pressure is limited by unstable pressure directly from the government supplier Storage Water Heater Always contains a storage amount of hot water Control dial controls the amount of stored hot water mixed with cold water Is less limited in how much water could pass through ...

On Floor Trap and Floor Waste

When examining the discharge outlets in toilet and shower areas, we may come across 2 different types of floor discharge symbols - FT for floor trap and FW for floor waste Floor Trap Has a grating to catch the first layer of dirt and debris Has a "trap", like a S or P bend, that traps dirt and debris before getting connected to a sanitary stack Requires deeper depth for this bend, usually below the soffit of the slab Usually for dirtier regions Floor Waste Has a grating to catch the first layer of dirt and debris Does not have a trap right underneath it, and may connect directly to the sanitary stack Requires less depth since there is not bend, and can sometimes be embedded in a floor slab directly Usually for showers and other areas with less debris Needs to be connected to a floor trap eventually; usually, only up to 2 floor wastes are connected to 1 floor trap