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A.5 Restrictor plates (G20, G25 and G30)
Each gas fire configuration needs a restrictor plate to ensure
uniform combustion. This depends on the type of gas, as
indicated in the table below. This restrictor plate should be
mounted if the chimney calculation results in a value above 5.5.
The restrictor plate should not be mounted below this value.
Appliances
GP60/59F, GP65/55C, GP70/55S
GP60/79F, G65/75C, GP70/75S
41
If the result of a chimney calculation is more than 5.5, mount the restrictor plate below
G20
50
71
75
65
55
55
62
68
55
68
50
G25
45
68
50
60
50
55
62
55
55
55
55
G30
35
50
-
40
50
68
68
-
68
-
N/A
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