Is an overhead tank right in NNW, and should it be in the South-West or the North-West?
Not in NNW. An overhead tank can be built from the West up to the North-West; making it in the South-West, as many people do, is wrong. Build it in the North-West.
Related questions
Can a mirror be fitted on a wardrobe in the S, SSW, SW, WSW or West?
No. Wardrobe mirrors also belong on the North or East wall. Some say the North-West is also allowed because the mirror represents the water element and the Moon.
Can plants be kept in the West, North-West and South-West?
Certainly. Drop the idea that there should be no greenery in the North-West or South-West; gardens and resorts everywhere have greenery on all sides. A vastu expert should never get a tree cut, because its dosh falls on him; plant auspicious trees near it instead.
A client has an exalted Saturn and a debilitated Venus. Can the bedroom be made in the West?
Yes, it will be very good. With an exalted Saturn, make the bedroom in the West without hesitation; WSW or even SW can also be used, but when Saturn is exalted the West gives the best results.
A refrigerator is cold, so why can it be placed in the fire zone, and where should it go?
Cold is produced from heat and a refrigerator cannot run without fire, so it can be placed in the South-East of the kitchen. Using the kitchen's own grid, it can also go in the West, and the North-West is ideal according to astrology.
Can a swimming tank above floor level be made in the North or North-West?
Yes. Above floor level it works in the North and in the North-West, and in the North-West it can also be built high up like an overhead tank. A tank at ground floor that is raised, with no pit, is acceptable.
Can an overhead tank be built over the staircase?
Only if the stairs are in the North-West; otherwise not. Basically an overhead tank should not be built over the stairs, because hydro currents move as you walk below it and the mind becomes unsettled.