Fisher R232 Integral Two-Stage Regulators – Carremm Controls Ltd.
Two-Stage Propane Regulator LP with POL 160,000 BTU/HR POL valve connection | eBay
Emerson Fisher Type R632A-CFF 1/4 in. FNPT x 3/4 in. FNPT Aluminum Integral Two Stage Regulator w/ 9-13 in. w.c. Spring, 950K BTU/HR - John M. Ellsworth Co. Inc.
Amazon.com : Vertical Two Stage Propane Regulator with POL and Gauge, 2 Stage Propane Regulator Standard 3/8 Female NPT Connection, Double Stage Regulator for 20-100lb Tank,Gas Grill, RV, Propane Heater : Tools
Buy Camco 59313 Vertical Two Stage Propane Regulator|RV Part