Thorn 3 WAY SWITCH

Part number	402S139
Manufacturer	Thorn
Condition	New, genuine part

Fits these models

• Thorn 30
• Thorn 30 I
• Myson 30 S
• Thorn 30 SI
• Thorn 30B (AFTER SERIAL NO 8905649846)
• Thorn 30B (FROM SERIAL NO 8702406241)
• Thorn 30B (UP TO SERIAL NO 8702406240)
• Thorn 30C (FROM SERIAL NO 8702406241)
• Thorn 30C (FROM SERIAL NO 8906654513)
• Thorn 30C (UP TO SERIAL NO 8702406240)
• Thorn 50
• Thorn 50 I
• Myson 50 S
• Thorn 50 SI
• Thorn 50B (AFTER SERIAL NO 8910686487)
• Thorn 50B (FROM SERIAL NO 8702406241)
• Thorn 50B (UP TO SERIAL NO 8702406240)
• Thorn 50C (AFTER SERIAL NO 8902630967)
• Thorn 50C (FROM SERIAL NO 8702406241)
• Thorn 50C (UP TO SERIAL NO 8702406240)
• Thorn 65 SI (AFTER DATE CODE 8901)
• Thorn 65 SI (UP TO DATE CODE 8900)
• Thorn 65B (AFTER SERIAL NO 8903634762)
• Thorn 65B (FROM SERIAL NO 8702406241)
• Thorn 65B (UP TO SERIAL NO 8702406240)
• Thorn 65C (AFTER SERIAL NO 8903634918)
• Thorn 65C (FROM SERIAL NO 8702406241)
• Thorn 65C (UP TO SERIAL NO 8702406240)
• Thorn 80 SI (AFTER DATE CODE 8901)
• Thorn 80 SI (UP TO DATE CODE 8900)
• Thorn 80B
• Thorn 80B (AFTER SERIAL NO 9006745649)
• Thorn 80B (UP TO SERIAL NO 9006745648)
• Thorn 80C
• Thorn 80C
• Thorn APOLLO 40 B (AFTER SERIAL NO 8904641932)
• Thorn APOLLO 40 B (FROM SERIAL NO 8702406241)
• Thorn APOLLO 40 B (UP TO SERIAL NO 8702406240)
• Thorn APOLLO 40 C (AFTER SERIAL NO 8903637649)
• Thorn APOLLO 40 C (FROM SERIAL NO 8702406241)
• Thorn APOLLO 40 C (UP TO SERIAL NO 8702406240)
• Myson APOLLO FANFARE 40 S
• Thorn APOLLO FANFARE 40 SI
• Baxi OTHERS

Always check the part number against your old part or the boiler manual before ordering.