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depends on applaince, boiler with permanant pilot should click within 20 secs, if it takes longer than safety device is not opperating in required time, also check gas valve for letby, wont always show up on tigtness test, if small drop. Gas fires have a longer time allowance on there safety device. Just turning off gas and waiting to boiler to lockout is not proof the safety device is working correctly
 
depends on applaince, boiler with permanant pilot should click within 20 secs, if it takes longer than safety device is not opperating in required time, also check gas valve for letby, wont always show up on tigtness test, if small drop. Gas fires have a longer time allowance on there safety device. Just turning off gas and waiting to boiler to lockout is not proof the safety device is working correctly

and the safety check for a gas cooker (just testing)
 
depends on applaince, boiler with permanant pilot should click within 20 secs, if it takes longer than safety device is not opperating in required time, also check gas valve for letby, wont always show up on tigtness test, if small drop. Gas fires have a longer time allowance on there safety device. Just turning off gas and waiting to boiler to lockout is not proof the safety device is working correctly

aren't we allowed 60 seconds for boilers ?
 
That was off the top of my head mate, ive got a book somewere, pretty sure its 20 but will check for sure later. Was just trying to point out that you cant test a safety device just from iscolation valve
 
FSD shutdown times
* BOILERS 60 SEC
* W / AIR HEATERS 60 SEC
* COOKERS (oven) 90 SEC
* WATER HEATERS 90 SEC
* D.F.E. GAS FIRES 120 SEC
* OTHER GAS FIRES 180 SEC
 
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depends on applaince, boiler with permanant pilot should click within 20 secs, if it takes longer than safety device is not opperating in required time, also check gas valve for letby, wont always show up on tigtness test, if small drop. Gas fires have a longer time allowance on there safety device. Just turning off gas and waiting to boiler to lockout is not proof the safety device is working correctly

think you need to check your 20 sec for shut down of boiler FSD, regs say within 60 secs not 20

replied to this post before reading that others had done so, on the testing of the FSD its disaponiting how many reassessment guys describe the testing of a boiler FSD as "shut the gas and listen for the click" aaaahhh that drives me mad, i tell them "no i told you to confirm the FSD is working, you havent done that" they are amazed that they need to confirm the gas isnt passing through by using their u guage, dont know what these guys are doing every day while servicing the old appliances
 
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