Honeywell Pressure Controllers L404F1078


Out of stock



Pressuretrol Controllers, Auto recycle, 5 psi to 50 psi

Provide operating control with automatic limit protection for pressure systems up to 300 psi (2068 kPa).

– Use with steam, air, noncombustible gases, or fluids non-corrosive to pressure sensing element.
– Models have snap-acting switching to open or close a circuit on pressure rise.
– Have adjustable differentials.
– Adjustments are made by screws on top of case.
– Mount using 1/4 inch -18 NPT internal pipe threads or surface mount through base of case.
– Ground screw terminal.

Product Specifications
Application Provide control of steam, air, non-combustible gases or non-corrosive fluids
Dimensions (in.)4 31/32 in. high x 4 1/2 in. wide x 2 3/4 in. deep
Dimensions (mm)126 mm high x 114 mm wide x 70 mm deep
Mounting1/4 in. NPT internal thread or surface mount through back of case
Approvals, Underwriters Laboratories Inc.Listed: File No. MP466, Guide No. MBPR
Approvals, Canadian Standards Association Certified: File No. LR1620, Guide No. 400-E-O
Electrical Connections Screw terminals
Contact Ratings120 Vac Switch Contact– 8.0 AFL, 48.0 ALR, 10.0 A resistive; 240 Vac Switch Contact– 5.1 AFL, 30.6 ALR, 5.0 A resistive
Operating Temperature Range (F)-35 F to +150 F
Operating Temperature Range (C)-37 C to +66 C
Approvals, Swiss RE Acceptable
Sensor Element Stainless Steel diaphragm
Operating Range (psi) 5 to 50 psi; 85 psi – Maximum Sustained
Operating Range (kPa) 35 to 345 kPa; 586 kPa – Maximum Sustained
Differential Pressure Range (psi) 6 to 14 psi
Differential Pressure Range (kPa) 41 to 97 kPa
Differential Type Subtractive
Switch Operation Auto recycle
Switching Action SPDT snap action, make R-W, break R-B on pressure rise
Pipe ConnectionMain or High Pressure–1/4 in. NPT internal thread