What is wrong in a Monitor valve if the hot water comes on first when rotating the handle counter-clockwise?
When operating a Monitor valve, the cold water should always come on first and rotating the handle counter-clockwise should then increase temperature. If this is not the case, the water lines may have been connected in reverse. This can be corrected by “flipping” the pressure balancing cartridge. There are two types of valves. Choose A or B below depending on your series A. 1300/1400 Series (RP19804) Here are the steps to follow in reversing the operation of your faucet. • Before you begin, make sure that you shut off the water supply to the faucet. • Remove the handle. A clear knobs will have a Phillips head screw located just under the plastic cap; a lever handle usually has a small set screw located on the side. • Slide off the finished metal (chrome, polished brass, white or almond) sleeve that covers the valve. • Unscrew the bonnet nut. The bonnet nut is a large brass ring and should unscrew by hand. If it is too tight, wrap a towel around the bonnet and use a pair of channel lock
