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whereas the 3098-156 uses a low-mass element for faster response (30-45s)
Specifically engineered for Hankison HPR and HPRn series models built from May 2006 to the present
Increasing the pressure ensures water reaches the highest radiation points in multi-story structures
Key Benefits Universal Compatibility: Designed for side-wall venting of a single 24 VAC controlled gas appliance or a combination of a furnace/boiler and a 30 millivolt water heater
Weil McLain 511-624-643 Sensor Assembly R-410A whereas the 3098-156 uses aThe Weil McLain 511 624 643 Pressure Sensor Assembly is a critical OEM replacement component designed for high performance hydronic systems. This burner pressure sensor kit includes the transducer and junction box, providing the precise feedback necessary for modulating boiler control and combustion safety. Unlike standard switches, this assembly integrates a no siphon sensor design to deliver accurate static and dynamic pressure differential readings
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