We introduced this unit about 18 months ago. This unit can be installed inside(needs to be flued to the outside) Type B - Zero Start Gas Geyseror can also be installed outside under protective cover. This unit is fitted with a flue sensor mounted on the flue diverter. The function of this sensor is to shut the geyser down within 4 minutes by law if the flue is blocked or the flue is not fitted.

If fitted inside ensure correct installation measure for cross ventilation as per Sans1539. 2012 (in revision) and Sans 10087-1.

HOW IT WORKS!

  • Ignition is through 2 x type D torch batteries
  • Open hot water tap - the water pressure pushes the light weight magnetic floater up and activates the geyser by signalling to the electronic box that there is spark and that the gas solenoid valve must open the gas to the main burners.
  • This type of geysers operates on low water pressure and is also less sensitive to mixer taps.
  • To determine the size required is different to the diaphragm units. Simply do the following to assist you with choosing the correct size. This exercise is only if the water pressure is low.
    • Measure the water flow per minute at 2-3 different taps in and around the house. Measure one tap then also open multiple taps to see if the water flow rate per minute stays the same.
    • Once you have determined the water flow per minute you choose the size geyser accordingly to that.
  • Example: if you get around 10l per minute then you install a 9l zero start unit. Do not install an over sized geyser as it will over heat and shut down.
  • Once installed and you are ready to set the temperature, start by doing the following
    • Set the gas knob to minimum gas
    • Set the water inlet valve to maximum water flow.
    • Set the correct water temp by slowly increasing the gas.
  • This makes the zero start unit the most efficient on the market!!
  • It also has a LCD display to show the temperature of the water running through the heat exchanger.

IMPORTANT THINGS TO REMEMBER

  • Never step up the hot water pipe size bigger than 15mm.
  • Zero start geyser works much better with mixers taps.
  • Do not use toilet connectors for water in/out lets. Use 15mm inside diameter connectors.
  • Do not run the cold water supply from a electric geyser
  • Do not use orange hose as you will restrict the gas flow and increase the pressure resulting in gas starvation and the unit will not function correctly.
  • Use the correct size regulator.
  • Use correct size gas piping Sans10087-1
  • Ensure that the geyser is protected from water entering from the top as this will result in the electronic box and battery box being damaged.
  • It is highly recommended that you install a weather box for wind/rain purposes and it will prolong the life span of the geyser.
  • Ensure to flush the water pipes before connecting it to the geyser. We recommend the gas installer to connect the water pipes.Zero Start Gas Geyser Metallic Silver Finish

APPLICATION OF GEYSER

  • 9l     = shower+basin
  • 12l   = shower+basin+kitchen
  • 14l   = shower+basin+kitchen+bath (bachelor flat)
  • 18l   = 2 bathrooms+kitchen

Always consider the following!

  • low water pressure will determine the size of the geyser
  • never install over sized zero start geyser when you have low water pressure
  • geyser will perform at its best if water pipe line is less than 6mtr long to destination
  • correct piping on gas and water
  • correct regulator
  • weather protection box if installed outside

Type B Constant Gas Geyser

We introduced the Constant Temperature Gas Geyser unit a few months ago, this unit can be installed inside (needs to be flued to the outside) or can also be installed outside under protective cover. This unit is fitted with a flue sensor mounted on the flue diverter. The function of this sensor is to shut the geyser down within 4 minutes by law if the flue is blocked or the flue is not fitted. A Type B geyser and the only one in SA

All the other units are Type D, outside installation only - if fitted inside, ensure correct installation measure for cross ventilation as per SANS153902012

HOW IT WORKS

The Constant Temperature Gas Geyser has a 2 way proportional valve that can regulate the gas/water ratio, adjusting the gas volume. It therefore can operate with a low water flow minimum of 5l/minute

Constant Temperature Gas Geyser has a temperature adjusting panel on the front cover for easy setting of required water temperature

Will also maintain the set temperature

Ignition is through 2 x type D torch batteries. (Other SA units have only 1 x type D battery - shorter life span)

  • Once you have inserted the batteries and check all connection to be ok push the on/off button
  • Set temperature    
  • After you have changed the batteries, repeat procedure

Open hot water tap - the water pressure pushes the light weight magnetic floater up (same as the zero start geyser) activates the geyser by signaling to the electronic box that there is spark and that the gas solenoid valve must open the gas to the main burners.

The water will then heat up through the heat exchanger to your desired temperature.(as set on display)

The proportional valve will then regulate the gas/water ratio to keep the water at a constant temperature.

The proportional valve ensure optimum performance at reduced LPG usage.

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