The V48 and V88 are solenoid-operated dia-
phragm valves suitable for LP (Liquefied Petro-
leum), natural, and manufactured gases. They are
normally used on atmospheric boilers, commercial
water heaters, and rooftop heaters.
Line voltage, 2-wire thermostat or controller used
with a V48; V88 used with 24V thermostat.
Valves provide slow opening and fast closing.
Two second maximum closing time for 2 through
3 in. valves.
One second maximum closing time for 3/4 through
1-1/2 in. valves.
V48J, V88J rated for 150° F ambient temperature.
V48F rated for 5 psi (lb. per sq in.) [34.5 kPa].
V48A and V88A rated for either 1/2 or 1 psi [3.4 or
6.9 kPa], depending on model. V48J and V88J rated
for 1 psi [6.9 kPa].
V48A,F,J; V88A,J
Diaphragm Gas Valves
One model for natural and LP gases.
Wide range of sizes and capacities.
Firm closing; diaphragm is both weight and spring
loaded.
Valve closes on power failure; recommended for
final shutoff service.
Adjustable or fixed bleed orifices available for in-
stallation by OEM.
Valve position indicator on 1-1/4 in. V48A2227 and
2 in. V48F1103 Valves.
CONTENTS
Installation ................................................... 5
Operation ..................................................... 8
F.P. • Rev. 9-94 • ©Honeywell Inc. 1994 • Form Number 60-2080-8
1
60-2080-8