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H.T. Lead (PK10)

Part number (MPN)
3003973
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Source
retailer parts list
checked 2026-11-06
Fitting notes

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

Compatible appliances

Always check the model and serial number on the data plate before ordering.

Frequently asked questions

Which appliances does 3003973 fit?

The sources we checked list 3003973 (H.T. Lead (PK10), Riello) for: PRESS30 N/EC TC3/230-400/50 OL, PRESS30 N/EC TL3/230-400/50 OL, PRESS30N TC1/230/50 230/50 OIL, PRESS30N TL1/230/50 230/50 OIL, PRESS45 N TC3/230-400/50 OIL, PRESS45 N TL3/230-400/50 OIL, PRESS45N/ECO TC3230-400/50 OL, PRESS45N/ECO TL3230-400/50 OL, GAS 6 TC3/230-400/50 OIL, GAS 7 P/M 537 T1 BURNER OIL, GAS 7 P/M TC3/230-400/50 OIL, PRESS100 N TC3/220-380/60 OIL, PRESS100 N TC3/230-400/50 OIL, PRESS100 N TL3/220-380/60 OIL, PRESS100 N TL3/230-400/50 OIL, PRESS100N/EC TC3/220380/60 OIL, PRESS100N/EC TC3/230400/50 OIL, PRESS100N/EC TL3/220380/60 OIL, PRESS60 N/ECO TYPE 628 TC BURN, PRESS60 N/ECO TYPE 628 TL BURN, PRESS60 N TC3/220-380/60 OIL, PRESS60 N TL3/220-380/60 OIL, Riello Rl100 661T1 3475216, Riello Rl100 661T1 3475218, Riello Rl100 661T1 3475221, Riello Rl100 661T1 3475223, Riello Rl100/M 670T1 3477213, Riello Rl130 662T1 3475416, Riello Rl130 662T1 3475418, Riello Rl130 662T1 3475421, Riello Rl130 662T1 3475423, Riello Rl130/M 671T1 3477413, Riello Rl190 673T1 3475611, Riello Rl70 660T1 3475016, Riello Rl70 660T1 3475018, Riello Rl70 660T1 3475021, Riello Rl70 660Ti 3475023, Riello Rl70/M 669T1 3477013. Always check the model and serial number on the data plate before ordering.

Does 3003973 have equivalent or superseded part numbers?

The sources we checked list no equivalents for 3003973. Ask a Riello stockist to confirm.

What should I check before fitting 3003973?

Work on gas appliances must be carried out by a Gas Safe registered engineer. Check the model and serial number on the boiler data plate. Source: a parts retailer's list, not the manufacturer's: confirm the part number on the data plate or with the manufacturer before ordering.

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Some lists are dated and the part may have been superseded. Information only, compatibility not guaranteed.