Regulating Pilots

Spence Air Pilot for pressure control at high delivery pressures and low air loading pressures 0-95 Range, Cast Iron, 6-2/3:1 Air Ratio
Spence part no. P-A73-C1A9AS

Spence Air Loading Vacuum Pilot for temperature control Cast Iron, 1:1 Air Ratio
Spence part no. P-A83-C1A9AS

Spence Air Adjusted Vacuum Pilot for temperature control at lower delivery pressures, Cast Iron, 2-3/8:1 Air Ratio
Spence part no. P-A84-C1A9AS

Type T124 pilot cast iron, 10-ft bronze capillary length, 170-270F temp range with the standard 700 bronze bulb for Steam service
Spence part no. P-T124-C1S1FA11

Type T134 temperature pilot with cast iron body, 170-270F temp range, bronze 700 bulb, 10ft capillary
Spence part no P-T134-C1S1FA11

Spence Air Adjusted Vacuum Pilot for temperature, pressure and vacuum control, Cast Iron, 3-7/8:1 Air Ratio
Spence part no. P-A85-C1A9AS

Type T134 pilot cast iron, 10-ft bronze capillary length, 120-220F temp range with the standard 700 bronze bulb for Steam service
Spence part no. P-T134-C1S1DA11

Type T134, cast iron, 10-ft bronze capillary length, 70-170F temp range with 704 bronze bulb for Steam service
Spence part no. P-T134-C1S1CE11

Spence Model Q Back Pressure Pilot Cast Iron, 3-20 psi range
Spence part no. P-Q-C1A1DS

Spence Model Q Back Pressure Pilot Cast Iron with 5-50 psi range
Spence part no. P-Q-C1A1GS