Honeywell PA404A1025 Pressuretrol Controller

Price is for each. Manufacturer Part Number: PA404A1025 HONPA404A1025 Pressuretrol For Steam Boilers 3-15 PSI Part Description: Pressure Controller Type Additive/Subtractive Differential Operator Type Diaphragm Operating Pressure Rating 3 to 15 PSI Differential Pressure Rating 1 to 5 PSI Pressure Media Steam Contact Configuration SPST 2 Circuit Contact Rating 0.25 Amp at 0.25 to 12 Volt DC, 8.3 Amp (Resistive) at 120/240 Volt AC, 7.2 Amp at 277 Volt AC Connection Type 1/4 Inch Female Threaded Application Safety Control for Steam Heating Boiler Approval UL, CSA Overall Dimension 3-3/8 Inch Width x 2-1/4 Inch Depth x 4-15/32 Inch Height Case Finish Gray Enamel Features / Benefits The Pa404A is a Pressure Actuated High Limit, Safety Control for Steam Heating Boilers It Breaks an Electrical Circuit to Shut Down the Burner If Steam Pressure Rises Above a Safe Level The Pa404B is Used with Suspension-Type Unit Heaters to Make the Fan Circuit When a Pressure Rise Indicates the Presence of Steam Each Model Contains an SPST Micro Switch Snap Acting Switch Sensitive Pressure-Actuated Diaphragm Expands or Contracts with Pressure Variations, Moving a Lever Mechanism Which Operates the Snap Switch A Screw on Top of the Case Allows Set Point Adjustment without Removing the Cover Differential is Adjusted by Means of a Dial Located Inside the Case

Highly Recommended. Classic design. Top quality.