Is this housing 10x10 or 10x1

this is an R-22 specific valve

it requires physical intervention if tripped

This cast iron burner is designed to withstand the rigorous duty cycles of gravity-style wall furnaces

Lennox 14C26 Cover Plate 320734-701 Is this housing 10x10 orThe Lennox 14C26 Cover Plate is a critical OEM component designed for high performance HVAC systems. This genuine Lennox replacement part, also identified by part number LB 107333J, serves as a collector box cover plate with a factory integrated gasket to ensure a gastight seal. Engineered from durable, corrosion resistant metal, the 14C26 cover plate protects sensitive internal mechanisms from environmental contaminants, dust, and moisture ingress.