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whereas an SBQE model features an external equalizer connection for systems with significant pressure drops across the evaporator or distributor
which is a massive upgrade over standard 1-inch filters
The cast brass construction ensures structural integrity under high-pressure conditions
the York S1-025-41289-000 provides a precise 30°F differential
Standard Rotolock valves typically require a Teflon or rubber gasket for a proper seal
Tekmar Controls 081 Sensor Module 321894-709 whereas an SBQE model featuresFor contractors managing multiple hydronic or HVAC zones, the Tekmar Controls 081 Sensor Module is a critical accessory for streamlining outdoor temperature monitoring. This module integrates three 10 k thermistors onto a single circuit board, allowing a technician to provide accurate ambient data to up to three independent controls from one centralized location. Designed specifically to mount within a Tekmar Outdoor Sensor 070 enclosure, the 081
US$ 28.50
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US$ 27.00