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90 inch water column rating matches the original equipment specification on the unit's data plate to maintain HVAC system safety and efficiency
ensuring seamless integration into existing Variable Air Volume (VAV) or fan control architectures
Operating at 208-230V with a single-phase 1/8HP rating
a bypass valve is often necessary in systems with high minimum flow requirements or where older constant-speed pumps remain in service
Robertshaw 700-428 Gas Valve THPU32HP7Y 90 inch water column ratingThe Robertshaw 700 428 Gas Valve is a high capacity, 24V slow open gas valve engineered for precision fuel management in standing pilot systems. This Uni Kit gas valve features a 1 2" NPT inlet and a 3 4" NPT outlet, delivering a robust 240,000 BTU capacity for residential and light commercial furnaces. The slow opening gas valve design ensures a soft ignition by gradually ramping up gas flow, which reduces burner stress and "rollout" spikes common in
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