For technicians looking to protect equipment from dry-firing

This item is the painted top panel only

Durable Hermetic Seal: Rugged internal components reduce mechanical wear and extend operational life in commercial environments

Precise Diagnostics: Built-in test jacks allow for manual flame signal voltage measurement using a standard volt-ohm meter

Belimo 01APS-50R Pressure Switch 326010-701 For technicians looking to protectThe Belimo 01APS 50R is a field adjustable differential pressure switch engineered for precision monitoring of air and non combustible, non aggressive gases in commercial HVAC systems. This passive duct sensor provides critical feedback for overpressure, vacuum, and differential pressure applications with a tunable setpoint range of 0. 08 to 1. 20 inches WC (20 to 300 Pa). Designed for high reliability air flow proving and filter status monitoring,