Caleffi ZVR104 Relay Els PW 29614 verify the primary heat exchanger

verify the primary heat exchanger dimensions and cell count to ensure proper alignment with the burner manifold and inducer motor assembly for optimal HVAC maintenance and AFUE rating performance

you should always verify the specific part number in the manufacturer's illustrated parts list for the exact model and serial range you are servicing

Seamless System Integration: Fully compatible with existing Fireye chassis via high-speed communication bus

With an ANSI Class IV leakage rating and a media temperature range of 35°F to 230°F

Key Benefits Precision Speed Control: Variable pitch design allows for incremental adjustments to air flow and system performance

Caleffi ZVR104 Relay Els PW 29614 verify the primary heat exchangerThe Caleffi ZVR104 is a professional grade 4 zone valve relay designed for precise control of hydronic heating systems. Serving as a direct HPZC104 replacement, this multi zone controller manages up to four zone valves and features priority zoning functionality, allowing a single zone to be designated for domestic hot water (DHW) production. Engineered with a multi pin selectable priority option, the ZVR104 ensures that space heating loads are