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For contractors performing a reversing valve replacement
Durable Construction: Features a hermetic design with a stainless steel power assembly to protect against harsh environments and vibration
Stable Flame Signal: The #6 tip orientation is specifically calibrated to optimize flame impingement on the flame sensor or thermocouple
Always cross-reference the 7773015 replacement data before installation
it is compatible with blends up to B5 standards
Resideo L8148E1299 Aquastat Relay Refrigerant For contractors performing a reversingThe Resideo L8148E1299 is a technical grade high limit Aquastat relay designed for immersion type hydronic systems. This 120Vac controller effectively combines system safety with operational switching, managing both the burner and circulator motors. Engineered with a vertical mount configuration, it provides a high limit operating range of 180F to 240F with a 15 degree fixed differential. This ensures consistent thermal cycling and reliable system
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