Antunes Controls 804112108 Pressure Switch

The Antunes Controls 804112108 (RHLGP-A) is a critical safety component designed for heavy-duty commercial gas pressure monitoring. This dual-function high and low gas pressure switch features an auto-reset mechanism, ensuring your combustion system resumes operation automatically once line pressure stabilizes within the calibrated thresholds. Engineered for precise HVACR safety limit control, it monitors high-side pressures from 10-50" W.C. and low-side drops between 6-24" W.C. Built with a rugged die-cast aluminum housing, this switch stands up to demanding mechanical rooms and industrial environments. The 2-SPDT electrical configuration provides isolated circuit control for both high and low conditions, making it a versatile choice for gas-fired furnace industrial furnaces, boilers, and commercial water heaters. Installation is streamlined with a 3/8" NPT high-pressure connection and 1/8" NPT low-pressure and vent ports, meeting the strict requirements of UL, FM, and CSA standards for gas pressure safety switches.

• Dual-Point Monitoring: Independently monitors high and low gas pressure setpoints in a single compact footprint.
• Automatic Reset Logic: Eliminates manual intervention for nuisance trips, restoring the safety loop as soon as pressure returns to the adjustable setpoint.
• Industrial Durability: Withstands ambient temperatures from -40°F to 140°F, ideal for roof-top units and unconditioned spaces.
• Simplified Integration: Standard NPT threading ensures compatibility with existing gas pressure control manifolds and burner assemblies.
• Reliable Switching: 2-SPDT contacts allow for flexible wiring to both an alarm circuit and the primary gas valve controller.

What is the maximum surge pressure for the Antunes 804112108?
This model is rated for a maximum surge pressure of 10 PSI, protecting the sensitive internal diaphragm from line surges common in commercial gas lines.

Does the RHLGP-A 804112108 require precise leveling?
While horizontal mounting is required (inlet stem down), this pressure switch does not require accurate leveling, making it faster to install on uneven burner housings.

Can I use this switch for liquid propane (LP) applications?
Yes, the A.J. Antunes 804112108 is frequently utilized in commercial kitchen setups and industrial applications using liquid propane or natural gas.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.