Velocity Boiler Works (Crown) 3503062 Ignition Module 320788-703 This 7-1/16" length spring enables
Baker’s notes & crumb story
Description
Velocity Boiler Works (Crown) 3503062 Ignition Module 320788 703 This 7 1 16" length spring enables This 7 1 16" length spring enables the Straight Thru Flow design of the RV series to maintain accuracy even at low pressure differentials this specific model is designed for sweat in (brazed) installation