Sirai P303 20A Pressurestat

★★★★★ 4.4 56 reviews

US$36.93
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Product details

Management number 248406727 Release Date 2026/09/03 List Price US$36.93 Model Number 248406727
Category

Sirai P303 20A Pressurestat - Rancilio Classe 5/7

A three-pole Sirai P303T01 pressurestat that regulates boiler heating via a diaphragm responding to steam pressure. Specifically listed for the Rancilio Classe 5 single groups and Classe 7 S and Leva models, and also reportedly used in Bianchi and Fiemma equipment.

SPECIFICATIONS

  • Connection: ISO 228 G 1/4"M for 4 x 6 mm pipe
  • Adjustable scale: 0.5-1.4 bar
  • Fixed differential: 0.18 (+/-0.03) bar
  • Max fluid temperature: 140°C
  • Max contact load: 20A
  • CE-cURus approved

COMPATIBILITY

  • Fits: Rancilio Classe 5 (single groups), Classe 7 S and Leva; also reported in Bianchi and Fiemma equipment
  • Replaces: Rancilio 34200109

INSTALLATION

Technician install recommended - electrical connections run through the top of the switch under a snap-on lid with press-in tabs.

PRO TIPS

  • This switch is rated for 20A max - don't substitute it into a circuit that draws more. Full factory specs are available on the Sirai P303 spec sheet.

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