BAXI ECO Home• 10 F• 14 F• 24 FECO-4s• 1.24 F• 10 F• 18 F• 24 FWESTENPULSAR D • 1.14 F• 1.24 F• 24 FPrimary exchanger compatible for BAXI Eco home, Eco-4s / WESTEN Pulsar D 5700950SKU: BPHW0143