maintaining pressure setpoint accuracy across thousands of run cycles

Installing a non-altitude board like the 100167819 in a high-elevation application can cause improper air-to-fuel ratios and hazardous operation

using genuine McDonnell & Miller replacement parts is essential for sustaining the precise buoyancy and mechanical alignment required to trigger the No

it is specifically configured for U

Specifically calibrated for a 295 PSI setting

A.J. Antunes 8102113005 Pressure Switch 321894-706 maintaining pressure setpoint accuracy acrossThe A. J. Antunes 8102113005 Pressure Switch is a high performance 1 4 PSI Auto Reset SPDT High Gas Pressure Switch engineered for critical safety monitoring in commercial and industrial combustion systems. Designed as a direct replacement for QPH31. 280A00, this Antunes RHGP G gas pressure switch ensures reliable operation by breaking the electrical control circuit when gas pressure exceeds your specified set point. Featuring a standard 1 4" NPT