The solid base construction is specifically optimized for a quick

it prevents internal heat exchanger temperatures from exceeding safe operational limits

Field Reliability: Robust construction holds up to the rigors of service vans and mechanical rooms

The stainless steel construction of the burner tubes provides superior resistance to thermal stress and corrosion during long heating cycles

preventing seal degradation in steam or chemical applications

Robertshaw 710-502 Gas Valve 30067439-890 The solid base construction isThe Robertshaw 710 502 Gas Valve is an industry standard millivolt gas valve specifically engineered for low capacity heating applications where space is at a premium. This unit features a 1 2 inch inlet and outlet and is factory calibrated for 3. 5 inch WC (Water Column) for natural gas operation, though it is compatible with liquid propane when utilizing the correct conversion components. As a "snap acting" control, it provides reliable millivolt