Lochinvar & A.O. Smith 100208547 Sensor 319825-402 The open on rise switch

The open on rise switch action provides high-speed contact separation to safeguard electrical components

Featuring a rugged iron body and 3/4 inch FNPT connections

The White-Rodgers F825-0261 Prefilter is a critical primary filtration component engineered for use in Electro-Air Thru-The-Wall (TTW) series electronic air cleaners

It is specifically designed to replace Titus 10054401

Low Maintenance: Features corrosion-resistant stainless steel internals for extended service life without frequent intervention

Lochinvar & A.O. Smith 100208547 Sensor 319825-402 The open on rise switchThe Lochinvar & A. O. Smith 100208547 Sensor is a critical High Limit Outlet Sensor designed for precision temperature monitoring in high efficiency commercial and residential boilers. This genuine OEM heating system sensor provides essential boiler high limit protection by tracking outlet water temperatures and triggering an automatic safety shutdown to prevent heat exchanger damage or system failure. Built with a durable brass body and stainless