Fisher Liquid Propane / LP-Gas first-stage pressure reducing regulators reduce tank pressures to the second-stage regulator cutting the supply pressure from the storage tank to the appliance.  | Type R122H First-Stage Regulator Fisher Type R122H is designed for use as a first-stage regulator for domestic applications, the R122H's size makes it perfect for tight installations. Stainless steel internal parts and corrosion |
 | Type R222H First-Stage Regulator Fisher Type R222H is a first stage regulator with full-size performance and a compact size. It is ideal for underground tanks or limited dome spaces. |
 | Type R622H First-Stage Regulators Fisher Type R622H is an Underwriters Laboratories (UL) listed regulator designed for Two-Stage LP-Gas systems. These units are designed to reduce the tank pressure to 10 psig / 0,69 bar. |
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Fisher LP-Gas second-stage pressure reducing regulators use two regulators to cut the supply pressure delivered by the first stage to a 2-PSI or inches w.c. in commercial / domestic applications providing overpressure protection per UL requirements.  | R222 Series Second-Stage Regulator Fisher Type R222 is designed for small domestic applications up to 450,000 BTU/HR. The unit provides the same features as the R622 in a smaller package. |
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| |  | HSRL Series Second-Stage Regulator Fisher Type HSRL Series second-stage regulator is an Underwriters Laboratories (UL) listed regulator designed for two-stage LP-Gas systems. HSRL Series is ideal for use in commercial applications. |
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