This genuine Rocket Espresso 3/8 BSPP male to 1/8 BSPP male fitting, part A229904374, bridges mismatched thread sizes when installing gauges, sensors or drain lines. Machined from food-grade OT58 brass, it seals tight with minimal PTFE tape and its compact shoulder clears tight boiler spaces.
Key Features & Benefits
Low-lead OT58 brass – food-safe and corrosion-resistant
3/8 M × 1/8 M step-down – connects gauges, valves and hoses
Compact profile – ideal for prosumer and commercial chassis
Precision threads – leak-free seal with light torque
Service-kit essential – perfect for retrofits and emergency fixes
Slip this adapter into place and restore perfect pressure control in minutes.
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This part is compatible to the original part number. Part numbers are always leading.
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