ODE 2-Way Solenoid Valve 1/4" 230V – Hot Water & Boiler Fill (Nuova Simonelli & Spaziale)

ODE 2-Way Solenoid Valve 1/4" 230V – Hot Water & Boiler Fill

This ODE 2-way solenoid valve is the OEM-specification replacement for the hot water and boiler filling circuits on Nuova Simonelli and Spaziale commercial espresso machines. NSF certified and made in Italy, it delivers reliable, food-safe water control at commercial operating pressures.

Compatible Models

Specifications

• Type: 2-way normally closed
• Port size: 1/4" (G 1/4)
• Orifice: DN 5.5 mm
• Coil: BDV08230AY – 16VA, 230/240V, 50/60Hz
• Pressure range: 0 – 3.0 bar
• Temperature range: -10°C to +140°C
• Seal material: FKM (Viton)
• Certification: NSF Component
• Origin: Made in Italy

Why Is My Espresso Machine Dripping Hot Water? A Short Maintenance Guide

A slow, constant drip from the hot water spout on a Nuova Simonelli or Spaziale machine is one of the most common service calls in commercial espresso maintenance — and the solenoid valve is almost always the cause. Here’s what’s happening and how to fix it.

What Causes a Hot Water Solenoid Valve to Drip?

The solenoid valve controls water flow by opening and closing an internal plunger against a rubber seat. Over time, mineral scale from hard water, worn FKM seals, or debris in the water line stop the plunger from seating cleanly. The result is a slow, steady drip even when the hot water lever or button is off.

Can You Just Clean It?

Sometimes. If the machine has been descaled recently and the drip is minor, removing and soaking the valve body in a citric acid solution can dislodge scale from the seat. However, if the FKM seal is compressed or torn, or if the coil has burnt out, cleaning will not resolve the fault and replacement is the only reliable fix.

How to Replace the Hot Water Solenoid Valve

Replacing the solenoid valve is a straightforward repair for a qualified technician:

1. Isolate the machine from mains power and water supply.
2. Depressurise the boiler fully before disconnecting any fittings.
3. Disconnect the spade connectors from the coil.
4. Unscrew the valve body from the water circuit using a wrench on the brass body — avoid gripping the coil.
5. Install the new valve, ensuring thread sealant is applied to the inlet and outlet fittings.
6. Reconnect the coil spade connectors, restore water and power, and check for leaks before returning the machine to service.

Frequently Asked Questions

What is the difference between the hot water solenoid and the group solenoid?

The hot water solenoid controls flow to the hot water spout and boiler fill circuit. The group solenoid (typically a 3-way valve) controls water flow to the brew group and vents residual pressure after extraction. They are different parts with different functions.

Is this valve NSF certified?

Yes. This ODE valve carries NSF Component certification, making it suitable for use in commercial food and beverage equipment.

Do you ship Australia-wide?

Yes. Bear Coffee Machine ships to all Australian states and territories with fast dispatch.