Lochinvar & A.O. Smith 100208513 Module 321142-301 Common Questions about the MP-452:

Common Questions about the MP-452: What is the proper wiring for the MP-452 SPDT switch

eliminating the field-fitting issues common with generic universal valves

this transducer provides a linear 4-20 mA output signal over an operating 0-500 PSI pressure range

allowing for use in high-static pressure inducer assemblies and blowers

it offers a drop-in fit with 1/4-inch quick-connect terminals

Lochinvar & A.O. Smith 100208513 Module 321142-301 Common Questions about the MP-452:The Lochinvar & A. O. Smith 100208513 Module is a critical intermittent pilot ignition control engineered for high performance gas fired boilers and commercial water heaters. This OEM ignition module (cross referenced as Honeywell S8610U3009) manages the sequence of operation for the pilot flame, main burner, and flame rectification. Built for reliability in demanding mechanical rooms, it operates on a standard 24 VAC control voltage and supports both