Nuova Simonelli 167° High Limit Probe with Lead divina-gloria-parts if your boiler uses the

if your boiler uses the old fine thread

Outside diameter: 58 mm

5 mm at widest point

110V Two-Way Lucifer Solenoid Valve – 1/8" x 1/8"

Nuova Simonelli 167° High Limit Probe with Lead divina-gloria-parts if your boiler uses theNuova Simonelli High Limit Safety Probe, Appia Compact & Oscar This 167F high limit thermal probe is the safety cutoff that shuts down heating if boiler temperature climbs past a safe threshold, protecting the boiler and heating element from a runaway thermostat or dry fire condition. It's UL approved and dual rated, so one part covers both 110 115V and 220 240V machines. SPECIFICATIONS Rated 16A, up to 250V 167F (75C) trip point UL approved, dual