Opso Regulators (Other – such as Madas & Pietro Fioentini) Posted onAugust 26, 2020August 26, 2020AuthorMichelle Opso Regulators (Other – such as Madas & Pietro Fioentini) OTHER OPSO REGULATORS AVAILABLE SUCH AS MADAS & PIETRO FIOENTINI Various spring tensions for NG & LPG Phone for correct size and price. Category: Gas Regulators and Accessories Related products RFS1020 Gas Regulator First Stage 2635MJ/h RFS1010 Kosan Regulator Adj LPG 1st Stage 2200Mj 55-80kPa RFS1025 Gas Regulator Second Stage 1010 MJ/h RFS1015 Kosan Regulator LPG Adj 2nd Stage 1400MJ/h