The HN52KA001 is typically supplied as the contactor unit itself

Simplified Wiring: Standard 24V terminal connections allow for rapid field installation and troubleshooting

always verify your heater’s BTU rating and gas type to ensure the factory-installed orifice matches your specific Reznor heater specs

is a heavy-duty water pressure reducing valve designed for commercial and industrial applications requiring precise downstream regulation

Key Benefits Enhanced System Scalability: Easily expands your existing VVT or zoning layout to accommodate up to 8 total zones when paired with the master controller

Laars Heating Systems R1-054 Valve Els PW 29614 The HN52KA001 is typically suppliedThe Laars Heating Systems R1 054 Valve is a high capacity pressure relief valve engineered for critical safety and performance in residential and commercial boiler systems. Designed as a direct OEM replacement part, this 3 4" male x 3 4" female relief valve is calibrated for a 30 PSI discharge threshold. With a substantial thermal capacity of 535,000 BTU, the R1 054 ensures reliable overpressure protection for high output hydronic heating systems. Its