Governor PF400 Outdoor

PF400 Line Pressure Regulators

Pietro Fiorentini’s PF400 line of gas regulators are designed to comply with the latest CSA and international standards for regulators suitable for indoor and outdoor installations with no modifications.

The PF400 family of regulators are ideal for a wide range of residential through large industrial applications. The materials and soft parts used in the construction of the PF400 regulators make them suitable for use with natural gas, LPG, Propane air and other non-corrosive gases.

All PF400 can achieve high outlet pressure accuracy regardless of Inlet pressure variation. The external vent limiter reduces piping costs and the need for costly vent piping for indoor installations and complies with CSA guidelines.*

Safe, Reliable and High Performance

• CSA certified external vent limiter option for indoor installations*.
• Both vertical and horizontal installation positions
• Complete lockup in absence of gas flow, 100% bubble tight shutoff.
• Designed to be used on furnaces and simple on-off loads.

*As Approved by Local Codes and Standards
** Brass Vent Limiters must be removed for outdoor installation **

GOVERNOR- PF400 Brochure

Pietro Fiorentini Governor sizing program

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With heavy hearts, we announce the passing of our founder James (Jim) Bell.

Jim passed away on June 15, 2021. He will be greatly missed by his colleagues, family, friends and the many people he impacted over his 89 years of life. His full obituary can be found here.

In observance of his passing, all ECCO/GASCO offices will be closed, Friday, June 18.