Skip to main content
Same-day dropship shipping on 13,900+ parts from 100+ brands Email quotes@globalpartsupply.com
A.O. Smith 100109925 Blocked Inlet Pressure Switch -1.0" W.C.

A.O. Smith 100109925 Blocked Inlet Pressure Switch -1.0" W.C.

A.O. Smith

$54.95

Currently out of stock

(No reviews yet) Write a Review
SKU:
100109925
Product Type:
Blocked Inlet Pressure Switch
Subcategory:
Safety Interlock Switch
Application:
Commercial
System Type:
Boiler, Water Heater
Installation Type:
OEM Replacement
Voltage Class:
Low Voltage
Temperature Range:
-40°F to 150°F
Pressure Rating:
150 PSI
Fuel Type:
Natural Gas
Inlet Size:
1/2" to 2"
Inlet Gas Pressure:
-1.0" W.C.
Connection Type:
Threaded or Flanged
Connection / Joint:
NPT or Flange
Material:
Stainless Steel or Brass
Control Type:
Low Voltage
Switch Action:
SPST-NC

Currently out of stock

Tell us where it’s going and we’ll come back with a price and freight cost.

Request price & availability

We reply within one business day — quotes@globalpartsupply.com

OEM replacement blocked inlet pressure switch for Lochinvar Knight and A.O. Smith Cyclone commercial boilers and water heaters. Normally closed (NC) safety switch calibrated to -1.0 inch water column setpoint; detects intake restrictions and halts combustion if airflow is compromised. Direct low-voltage connection; fail-safe design prevents incomplete combustion and carbon monoxide risk.
!