Honeywell

CG-Q58-4 CH4 (2.5%), O2 (18.0%), H2S (25 ppm), and CO (100 ppm) gas contained within a 58L, aluminum cylinder

L4079B1041 Honeywell Honeywell pressuretrol controller with a range of 10-150 psi, manual reset, and a 1/4" NPT female connection to siphon loop. Pressuretrol limit controls are high pressure limit switches which break electrical circuits when pressure rises to a preset value. L4079B models have one SPST switch that breaks on rise.

Fire / Smoke Damper Actuator 24VAC Fast acting spring return; Two-position; 175 lb-in; Includes 2 internal auxilliary switches.