Contractor-Friendly Installation: The LRB24-SR actuator features a universal push-button manual override and a simple 2-10 VDC feedback signal for easy commissioning

Is this unit suitable for horizontal or vertical installation

Common signs include intermittent flame rollout

preventing compressor slugging or efficiency losses during the defrost cycle

making it a versatile stock item for service technicians

Hoffman Specialty 401485 Water Vent 320074-702 Contractor-Friendly Installation: The LRB24-SR actuatorThe Hoffman Specialty 401485, or Model 78 Water Main Vent Valve, is a high capacity automatic air vent designed for efficient air elimination in hydronic heating and cooling systems. Engineered for closed loop hydronic systems, this vent features a 3 4" NPT connection and is built to withstand a maximum pressure of 150 PSI. Its primary function is to purge air from water mains and large distribution lines, preventing air bound system issues that lead