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Product code: S12431
Image shown for illustration purposes only.
View Large ImageThe light and compact Potterton Sirius three 50 wall-hung condensing boiler combines ultra-low NOx ratings and Years-round ErP A-rated efficiency with an impressive modulation ratio of up to 9:1, reducing constant on/off cycling and helping to improve the boiler's lifespan. With as-standard weather compensation, a simple display and user-friendly advanced programming, the 50kW output Sirius three 50 puts the user in control of their comfort.