Spirax Sarco SA121 Self Acting Controller System Well, Stainless SteelIN STOCK: USUALLY SHIPS WITHIN 1 2 DAYS OUT OF STOCK: APPROX 2 3 WEEKS SA121 Self Acting Controller System Well, Stainless Steel For Use with SA121. Pocket for indirect immersion. Spirax Sarco 12 1 2" long stainless steel well for 1" NPT SA121 temperature controllers. Allows for removal of SA121 without emptying out the liquid from application. DESCRIPTION Spirax Sarco Well Pocket, NPT, For Use With: Model SA121 SA1219 Self Acting Controller System,

Temperature range 60-120F

Inlet Size: 2

5 Diameter: 14” Adjustable Size: 9 1/8 x 17 (12 x 16)

The McDonnell & Miller 166300 Model 94-7B is a combination low water cut-off and pump controller featuring 1-1/4" NPT connections and a 7B switch (135 ohm proportional signal) control to maintain a constant boiler water level

Flexible graphite

Thermodynamic disc traps are intermittent in their operation

Model 847-26 replacement head gasket for repairing Series 21

Molded into transparent tubes

Model 194 combination low water cut-off and pump controller with automatic reset (No

Thermal Protection: Impedance

The Spirax Sarco B3S-15

Model: 51-2