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La Marzocco

La Marzocco 1GR Preheater 157 mm

157 mm Preheater La Marzocco Service Part Confirmed 1-Group Fit

Item Number: lm-t104601

Your Price $159.45
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Categories: Spare Parts
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Description

La Marzocco 1GR Preheater 157 mm

The La Marzocco 1GR Preheater is an internal service component used within the pre-heating circuit of selected single-group espresso machines. Measuring 157 mm in the La Marzocco parts catalogue, it forms part of the system that preheats incoming water before it reaches the coffee boiler.

Replacing a damaged or unserviceable preheater helps restore the intended water path and thermal operation of the machine. It is an internal hydraulic component and should be installed as part of an appropriate machine service or repair.

La Marzocco parts documentation confirms this preheater in the GS3 AV and Mechanical Paddle, Linea Mini, Linea Mini R and Leva 1GR assemblies. Compatibility should still be checked against the machine’s current parts diagram before ordering.

The associated F.2.014.01 O-ring is shown separately in La Marzocco diagrams and is not listed as part of this item. Professional technician installation is recommended.

What’s in the Box?:

1 × La Marzocco 1GR Preheater 157 mm

Specifications:

  • Brand: La Marzocco
  • Manufacturer Part Number: T.1.046.01; T.1.046 in current La Marzocco parts diagrams
  • Product Type: Preheater
  • Length: 157 mm
  • Application: Espresso machine pre-heating circuit
  • Machine Compatibility: GS3 AV, GS3 Mechanical Paddle, Linea Mini, Linea Mini R, Leva 1GR
  • Associated Seal: F.2.014.01 O-ring, listed separately
  • Installation: Professional technician installation recommended

    Features:

  • La Marzocco 1-group preheater replacement
  • 157 mm catalogue length
  • Internal pre-heating circuit component
  • Confirmed for selected GS3 models
  • Confirmed for Linea Mini and Linea Mini R
  • Confirmed for Leva 1GR
  • Associated F.2.014.01 O-ring listed separately
  • Qualified technician installation recommended

    Coffee Parts Thoughts:

    This is a machine-specific internal service part, so matching the reference against the correct La Marzocco parts diagram matters. The 157 mm preheater is used across several single-group platforms, but the model name alone should not replace a part-number check. It is also worth confirming whether the separately listed F.2.014.01 O-ring is required during the repair.
  • Specifications
    Brand La Marzocco
    Shipping & Returns

    Delivery time and costs

    Parts, accessories, Brew Bar and Tea Bar

    Standard delivery

    From $8.95 2-7 business days*

    Express delivery

    From $9.95 1-3 business days*
    Water filters

    Standard delivery

    From $8.95 2-7 business days*

    Express delivery

    From $9.95 1-3 business days*
    Coffee grinders

    Home grinders

    Calculated at checkout 1-3 business days*

    Commercial grinders

    Calculated at checkout 1-3 business days*
    Coffee machines

    Home machines

    Calculated at checkout 1-4 business days*

    Commercial machines

    Calculated at checkout 2-7 business days*

    *Delivery timeframes are estimates and start once your order is dispatched.

    Freight partners

    Within Australia

    Australia Post

    TNT Couriers

    Same day (Sydney metro)

    Capital Transport

    Civic Couriers

    We ship using Australia Post eParcel and a range of courier partners within Australia and internationally. If you are in Sydney, you may also be able to choose same day courier options or Click and Collect from our Pagewood warehouse.

    Shipping cost depends on the items in your cart and your delivery address. You can see the shipping price on the product page (where available) and at checkout before entering payment details.

    Orders placed before 3pm (Sydney time) on a business day are typically dispatched the same day. Deliveries are made Monday to Friday, usually between 8am and 6pm. Standard and express options may be available at checkout depending on the item and destination.

    For more details, visit our shipping and delivery page.

    Warranty

    Our products are supplied through Australian channels and are covered by Australian consumer guarantees and, where applicable, manufacturer warranty. For international orders shipped outside Australia, warranty support may require the item to be returned to Australia for assessment.

    Easy returns

    Most spare parts, accessories and brew gear can be returned within 14 days of purchase, subject to conditions and exclusions. If you paid with an eligible PayPal account, you may be able to claim return shipping costs through PayPal. For full details, read our returns policy.

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    The La Marzocco 1GR Preheater is an internal service component used within the pre-heating circuit of selected single-group espresso machines. Measuring 157 mm in the La Marzocco parts catalogue, it forms part of the system that preheats incoming water before it reaches the coffee boiler.

    Replacing a damaged or unserviceable preheater helps restore the intended water path and thermal operation of the machine. It is an internal hydraulic component and should be installed as part of an appropriate machine service or repair.

    La Marzocco parts documentation confirms this preheater in the GS3 AV and Mechanical Paddle, Linea Mini, Linea Mini R and Leva 1GR assemblies. Compatibility should still be checked against the machine’s current parts diagram before ordering.

    The associated F.2.014.01 O-ring is shown separately in La Marzocco diagrams and is not listed as part of this item. Professional technician installation is recommended.