Popular comparisons
| Material | Stainless steel |
| Connection Type | Boiler to hot water valve supply pipe |
| Compatible Models | La San Marco boiler mod 2, 3, 4 GR, 85 LEVA, 85 S/E steam and water valve |
| Application | Espresso and coffee machine systems |
| Category | Plumbing pipe |
La San Marco Boiler to Hot Water Valve Supply Pipe Drawing water tube connecting the boiler to the hot water valve across a wide range of La San Marco models. SPECIFICATIONS Reference: BRTUB2170 / 507301 COMPATIBILITY Fits: 100 S-E, 105, 85 Leva, 85 S-E, 95 (out of production), Duale, New 105 S-E, New 80 Leva/L, New Preziosa, and TOP 85 (2/3/4 group and DTC variants) Replaces: La San Marco 507301 (BRTUB2170) INSTALLATION Technician-level plumbing job within the hydraulic circuit. PRO TIPS This is one of La San Marco's broadest-fit hydraulic pipes, if you're unsure whether your machine uses this exact tube, check the model/schematic list above rather than assuming by boiler size alone.
The catalog often lists the same model at several merchants — worth a price check before you buy.



