Gas Heating parts Gas Appliance spares
$88.00 was $110.00

Excess Flow Valve GS25-6D

As per new regs 1st of April all gas instaltions using composite pipework must have excess flow valves fitted at the meter assembly - This unit tirggers at 240mj/hr others models available for bigger instatalions.

Must be fitted vertically and arrow down. 

more size units here 

Excess flow valve GS10K (

Excess Flow Valve GS16K (