Weil McLain 560-528-987 Orifice R-134A Versatile Range: Supports a wide

Versatile Range: Supports a wide operating envelope from 20" Wc to 100 Psi

Industrial Build Quality: Features a rugged plug-in base for simplified wiring and 120V AC input voltage for standard electrical configurations

000 BTU capacity for heavy-duty commercial boiler safety

While EPDM rubber is excellent for high temperatures and outdoor exposure

Weil McLain 560-528-987 Orifice R-134A Versatile Range: Supports a wideThe Weil McLain 560 528 987 is a precision engineered natural gas main burner orifice designed specifically for EGH and CGi series boilers. This critical component features a 7 16 hex head for straightforward installation and a precisely machined 2. 45mm orifice size (equivalent to a custom drill size for specific BTU outputs). In the field, ensuring the correct manifold pressure and gas flow is non negotiable for combustion safety; these orifices