ensuring proper blower operation and venting before allowing the ignition sequence or cooling cycle to proceed

this part is essential for preventing boiler leaks and passing final combustion testing

or visible cracks in the burner mesh

While part of the 63-amp OT frame series

Watts 0382010 Valve 326010-701 ensuring proper blower operation andThe Watts 0382010 Valve is a high capacity boiler pressure relief valve designed specifically for hot water space heating systems. Built with a rugged iron body and a 3 4 inch NPT female inlet, this 740 series valve is engineered to protect against excessive pressure. It features a factory preset relief setting of 36 psi and provides a discharge capacity of up to 1,053,000 BTU hr. This model, often designated as 740 036, utilizes expanded outlet drain