49. Throttling flap into flue way O 152 mm

- Throttling flap into flue way O 152 mm
| Code: S0226 | for boilers D15, D20. Able to use for decreasing of chimney draught to be installed into the flue way for DC18S - DC50SE, C18S - C40S a DC18GSE - DC50GSE, DC22SX - DC40SX, ACxxS, D30, D21, DCxxRS, DCxxGSX |
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