Boiler Burner Controls • Pressure Switches and Controls
Air Pressure Switches Model-JD-2
DEsCrIPtIon
Antunes Controls air proving switches are designed to provide excellent repeatability and dependable, trouble free operation.
FEAturEs • Sensitive diaphragm
• Single pole double throw snap action electrical switch • Visible ON-OFF indicator in compact die-cast aluminum housing
• Spring adjustable switches - dual scales calibrated in millimeters and inches of water column • Five range scales - from .07”W.C. to a maximum of 35: W.C.
• Set point indication
• Rugged die cast aluminum construction Specifications
ranges BLUE GREY PURPLE RED ORANGE
Maximum Operating Pressure: Maximum Pressure Surge:
Maximum Ambient Operating Temperature: Minimum Ambient Operating Temperature: Electrical:
10A, 1/8 HP, 125 VAC 5A, 1/4 HP, 250 VAC Pilot Duty – 125 VA, 125-250 VAC
.07” to 1.7” W.C. (2mm W.C. to 43 mm)
0.1” to 4” W.C. (3mm W.C. to 102mm)
0.1” to 10” W.C. (3mm W.C. to 250mm)
0.1” to 24” W.C. (3mm W.C. to 600mm )
5” to 35” W.C. (125mm W.C. to 875mm) 35” Water Column 3 PSIG
+140° F (+60° C) -20°F (-93° C)
oPtIons
Dust Proof: Specify “Dust Proof” on order. PN#808000304 Brackets: Specify 2 5/8” bracket. PN# 808000303 The Model JD-2 is always mounted with the stem up An optional mounting bracket can be fastened to the bot- tom section of the switch housing with 5/16-18 x 1/2” bolt (supplied with bracket)