Boiler Safety Valve M19 x 1.5 Thread Brand_Gicar part of the group head's

part of the group head's brew water discharge path

not a sign anything's broken

Lever Piston Rebuild Kit – Astoria

La Marzocco #L167

Bolt hole spacing: 58 mm on center

Boiler Safety Valve M19 x 1.5 Thread Brand_Gicar part of the group head'sBoiler Safety Valve (M19 x 1. 5 Thread) Boiler safety pressure relief valve with an M19 x 1. 5 thread, a less common size that falls between the standard 3 8" (16 mm O. D.) and 1 2" valve threads at 19 mm O. D. SPECIFICATIONS Thread: M19 x 1. 5 Male thread O. D.: 19 mm COMPATIBILITY Fits: Boilers drilled for an M19 x 1. 5 safety valve port Replaces: GI_92 INSTALLATION Technician level, this is a safety valve, so verify thread and pressure rating