Choose Options Quick view 5353 2022-142 - Repco Millivolt Combination Gas Valve As low as $167.99 This is a New Robertshaw Replacement 700 Series Millivolt Combination Gas Valve. It is rated at 300,000 BTU, has a 3/4" Inlet and outlet and comes with two 1/2" reducer bushings. It replaces the... As low as $167.99 Choose Options Quick view