Coltri BOOSTER OPEN, BOOSTER COMPACT, and MCH20-MCH24 CNG pressure maintenance valve kit. Described by Coltri as "PRESSURE MAINTENANCE VALVE MCH36 [VALVOLA MANTENIMENTO PRESSIONE MCH-36]". For additional information on this kit, see page 32 of the Booster Open Parts List, page 14 of the Booster Compact Parts List, or page 34 of MCH20-MCH24 CNG Parts List; all located under the User Manuals tab.
Nuvair is an Authorized Coltri Distributor
Nuvair sells only genuine parts and equipment manufactured by Coltri Compressors. Do not be fooled by cheap aftermarket copies of original Coltri equipment. Items labeled “replacement,” “OEM equivalent,” “compatible,” or “alternative” are not manufactured by Aerotenica Coltri S.p.a.
Some Coltri parts are not available for purchase online. To ensure this genuine Coltri part fits your compressor model/version, please contact the Nuvair sales team for ordering assistance.