Product Overview

The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson Controls office.
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2011 Johnson Controls, Inc.
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F93 Series Air Volume Controls for Deep Wells
Code No. LIT-1922355
Issued November 22, 2011
Description
The F93 Series Air Volume Controls for Deep Wells control the amount
of air in residential water storage tanks. Water storage tanks in
residential water systems rely on a volume of air in the tank to provide
system pressure, making it important to control the amount of air in the
tank.
Too little air in the tank results in rapid pump cycling - a problem
common in shallow well systems (less than 25 ft [7.6 m] deep). Too
much air in the tank results in air entering the distribution system - a
problem common in deep well systems (more than 25 ft [7.6 m] deep).
The F93 Series Air Volume Control for Deep Wells allows air to escape
from the tank and into the surrounding room when the water level in the
tank drops (increase of air volume).
Features
• Sturdy Noryl (High Performance Thermoplastic) Body
• Brass Internal Operating Parts
• Pressure Tested Plastic Float
• Optional Pressure Gauge Tapping
Ordering Information
To order, specify the complete Product Code Number.
F93 Series Air Volume Control for Deep Wells Selection Chart
Product Code
Number
Well Type
1
1. Deep wells are more than 25 ft (7.6 m) deep.
Tank Air Pressure 1/4 in. Gauge
Tap
F93B-1C Deep Decreases Yes
F93H-1C Yes
2
2. 25 psig (172 kPa) minimum pressure required to allow air release. Use this
model where water may be rapidly drawn from the system.
F93 Series Air Volume Controls for Deep Wells
Repairs and Replacement
Do not make field repairs. Repair parts are not available. If an
F93 Series Air Volume Control for Deep Wells malfunctions, replace
the control. Contact your nearest Johnson Controls/PENN® distributor
or sales representative to purchase a replacement.
Technical Specifications
F93 Series Air Volume Control for Deep Wells
Body Material 30% glass-filled Noryl thermoplastic
Float Material Plastic with brass rod
Maximum Tank Pressure 100 psig (690 kPa)
Shipping Weight Individual: 0.25 lb (0.11 kg)
Bulk pack (30): 30.9 lb (4.08 kg)
Tank Connector Size 1-1/4 in. Male NPT